Re: [Tutor] Matrix help

2018-03-22 Thread Alan Gauld via Tutor
On 22/03/18 11:35, Connie Callaghan wrote: > Hi, > I was just looking help for a matrix that I am building, it needs to look > like this > 1, 0, 0, ...,0 > A,b,c,0,...,0 > 0,a,b,c,...,0 > 0,0,a,b,c,..0 > 0,0,0,a,b,c,...,0 > 0,0,0,0...0, 1 What exactly are the a,b,c values? Are they variables

Re: [Tutor] Oracle forms

2018-03-22 Thread Alan Gauld via Tutor
On 22/03/18 15:22, David Holland via Tutor wrote: > Is there anyway I can use Python to fill in an Oracle form What kind of Oracle form? There are at least 2 that I'm aware of. 1) The Oracle Forms thick client app framework which runs on a PC and connects to the database server. (I believe

Re: [Tutor] Connecting to MS SQL Server

2018-03-20 Thread Alan Gauld via Tutor
On 20/03/18 13:55, Mitesh H. Budhabhatti wrote: > Hello, > > Can anybody please suggest better way to connect MS SQL Server database? As Mats said, better than what? There are at least two "official" ways: 1) using the SQL Server driver 2) Using the ODBC driver. Both are described here:

Re: [Tutor] Python Script Testing

2018-03-15 Thread Alan Gauld via Tutor
e, and we need to upload the output file, running the script on our > local system. So, the above method should work. > > On 15 Mar 2018 11:13 pm, "Alan Gauld via Tutor" <tutor@python.org > <mailto:tutor@python.org>> wrote: > > On 15/03/18 16:56, Preeti Saxena

Re: [Tutor] Python Script Testing

2018-03-15 Thread Alan Gauld via Tutor
On 15/03/18 16:56, Preeti Saxena wrote: > Hi, >I am new to python. I am trying to test my program, like a coursera > submission, which takes run time arguments using "raw_input()". Is there a > way I can write all the input data into a file and pass it from command > line to the script? In

Re: [Tutor] PYTHON HELP

2018-03-15 Thread Alan Gauld via Tutor
On 15/03/18 13:42, Prashanth Ram wrote: > My code is working well in localhost but when I try to open that in VPS > server I'm failing in running that code. I'm getting errors. I have > installed Chrome and it's drivers. Even though I'm facing errors. > > I request your team to help me in this.

Re: [Tutor] help with code

2018-03-11 Thread Alan Gauld via Tutor
On 11/03/18 04:20, Leslie SimondeMontfort via Tutor wrote: > Hi, I wondered if there is someone that can help me with this code. I'll try but theres a lot to comment on. See below... > def print_menu(): ## Your menu design here > print 30 * "-" , "MENU" , 30 * "-" > print "1. Menu

Re: [Tutor] Turtle Issues

2018-03-06 Thread Alan Gauld via Tutor
On 06/03/18 18:12, Roger Lea Scherer wrote: > I know I don't have to apologize, but I am so independent I hate asking for > help and you guys and gals have been so helpful that now that I'm stuck > again I'm sorry I have to. Thats not a problem and, in programming, is usually seen as a strength

Re: [Tutor] Regex not working as desired

2018-03-06 Thread Alan Gauld via Tutor
On 06/03/18 22:17, Albert-Jan Roskam wrote: > But the way you wrote it, the generator expression just "floats" Any expression can be used where a value is expected provided that e3xpression produces a value of the required type. A generator expression effectively produces a sequence and the

Re: [Tutor] Another question, dictionaries

2018-03-02 Thread Alan Gauld via Tutor
On 02/03/18 21:05, Roger Lea Scherer wrote: > ability to exchange point between the pool and each of the, what I call, > attributes of Strength, Health, Wisdom, and Dexterity. I got only to the > first option and I'm stuck on how to get the points to change > "permanently". The program will run

Re: [Tutor] shooting method in python code

2018-03-02 Thread Alan Gauld via Tutor
On 02/03/18 20:42, Alessandro Parisi wrote: > Hi, My name is Alessandro Parisi, Hi. > I would need to download this code to understand how it works What code? Do you have a URL? Or a link of some kind? We are not mind readers. -- Alan G Author of the Learn to Program web site

Re: [Tutor] Python distribution file error

2018-03-02 Thread Alan Gauld via Tutor
On 02/03/18 02:40, Nirmal Bhatt wrote: > Hi, > I am trying to deploy the distribution file What do you mean by "the distribution file"? How are you creating this file? How are you "deploying" it? > and getting the attached error. The server strips out attachments so we cannot see it, please

Re: [Tutor] Regex not working as desired

2018-02-27 Thread Alan Gauld via Tutor
On 27/02/18 09:50, Peter Otten wrote: >> def all_digits(s): >> return all(c.isdigit() for c in s) > > Note that isdigit() already checks all characters in the string: Ah! I should have known that but forgot. I think the singular name confused me. > The only difference to your suggestion is

Re: [Tutor] Regex not working as desired

2018-02-27 Thread Alan Gauld via Tutor
On 27/02/18 05:13, Cameron Simpson wrote: > hard to debug when you do. That's not to say you shouldn't use them, but many > people use them for far too much. > Finally, you could also consider not using a regexp for this particular task. > > Python's "int" class can be called with a string,

Re: [Tutor] List vs. Set:

2018-02-25 Thread Alan Gauld via Tutor
On 24/02/18 20:00, James Lundy wrote: > To whom it may concern. This code is from Dr. John Keyser. Since you don;t show us the complete program I will have to make some assumptions... > gooddata = [] This is degioned as a list by virtue of the [] > for singleday in datalist: > if

Re: [Tutor] startin python

2018-02-23 Thread Alan Gauld via Tutor
On 23/02/18 03:34, gonzales huerta wrote: > What would be the best compiler for writing a combined code PYTHON and C? There are several ways to do this and it depends on your application which is most practical. If w assume yyou want to access the C code from Python then: 1) Write a Python

Re: [Tutor] How to get all previous revision entries of a wikipedia page?

2018-02-16 Thread Alan Gauld via Tutor
On 16/02/18 22:50, Daniel Bosah wrote: > Now, I'm totally lost on how to do this. I have never used a API before, > and I'm not sure how to use the Wikipedia API. Is there any resource anyone > can point me to to help me do this? To not only use the API but to also > parse through all the previous

Re: [Tutor] 510k Submission for Device and Software Changes New Guidance

2018-02-16 Thread Alan Gauld via Tutor
Apologies for the spam, I hit the wrong button on the moderation pane. Alan G. On 16/02/18 13:49, Webcompliancepanel wrote: >[1]A Regulatory Perspective: FDA's[2]OCP_Logo >New Guidance's Deciding When to Call 510-857-5896 >Submit a 510(k) for Device &

Re: [Tutor] Error in class definition of __init__

2018-02-15 Thread Alan Gauld via Tutor
On 15/02/18 01:27, Leo Silver wrote: > Hello. > > I'm trying to create a class to represent products which includes a list of > volume based pricing and sets the first of these as the unit price: > > def __init__(self, RatePlanID): > self.id = RatePlanID > self.name =

Re: [Tutor] Pong code

2018-02-14 Thread Alan Gauld via Tutor
On 14/02/18 23:22, terrapin-tur...@lycos.com wrote: > > Alan, > > I know NOTHING of this program. > So how did you find it? What do you hope to do with it? BTW You sent this to me only,. you need to use Reply-All or Reply-List to include the tutor list. I've CCd the list in this response. >

Re: [Tutor] (no subject)

2018-02-14 Thread Alan Gauld via Tutor
On 14/02/18 19:18, Nathantheweird1 wrote: > I'm having a problem with my code on an interactive story. All the choices > work until the end. When the code reaches the end, it will print different > functions that aren't even set to be called in the code. I'm not sure what > I've done wrong and

Re: [Tutor] Pong code

2018-02-14 Thread Alan Gauld via Tutor
On 13/02/18 13:41, terrapin-tur...@lycos.com wrote: > Anyone know the pygame pong code and want to assist in a student learn > where the mistakes in the code reside? > > Yes, reply to this mail. That's not how it works. You post a question and the code and any error messages and we

Re: [Tutor] Barplot order-arrangement

2018-02-12 Thread Alan Gauld via Tutor
On 12/02/18 15:47, Charlotte Hoff Sonne wrote: > Hi, > > I have created a barplot in Python. It will help f you tell us which version of Python and which OS. > This is the code I have written: > sns.barplot(x='word',y='andelelite',data=plotpanda) What is sns? It's not part of the standard

Re: [Tutor] Does Python and its standard libraries use semantic versioning?

2018-02-10 Thread Alan Gauld via Tutor
On 10/02/18 05:44, boB Stepp wrote: > I have been reading the interesting web page "Semantic Versioning Interesting read, it's the first time I've come across the term. The practice is of course fairly standard and certainly every major project I've ever worked on has done it but they were

Re: [Tutor] help

2018-02-07 Thread Alan Gauld via Tutor
On 07/02/18 21:34, Frank Dominguez wrote: > this is my first time using python and i just cannot figure out what I am > doing wrong im sure the answer is very simple but sadly i do not know what Please always include full error messages in your mail - don't assume we will willingly run buggy

Re: [Tutor] Java equivalent of Python-Tutor?

2018-02-07 Thread Alan Gauld via Tutor
On 07/02/18 20:06, Terry Carroll wrote: > I'm doing a few projects in Java now and would love to find a similar > resource that covers that language, I did a deep dive into Java for a new job a couple of years ago and found the official Oracle tutorials very good combined with YouTube videos

Re: [Tutor] Suggest some Android app

2018-02-07 Thread Alan Gauld via Tutor
On 07/02/18 03:22, Dragan Mestrovik wrote: > please suggest me some good android apps through which i can execute my > python scripts and practice python. I don't know if its the best but the one I use is QPython3. Its free and includes an interactive interpreter. > I want to download videos

Re: [Tutor] can someone explain the reason for error

2018-02-07 Thread Alan Gauld via Tutor
On 07/02/18 11:58, vinod bhaskaran wrote: > Hi, I am a beginner level programmer and in one assignment the question > given is:to remove ',' from a list after getting a comma separated input > from console. First up I'll say you are doing an awful lot of work that's not needed. As a result your

Re: [Tutor] Formatting text file with python

2018-02-07 Thread Alan Gauld via Tutor
On 06/02/18 21:07, Hüseyin Ertuğrul wrote: > "hMailServer SpamProtection rejected RCPT (Sender: > valeria0...@mikelsonconstruction.com, IP:187.62.63.218, Reason: Rejected by > Spamhaus.)" > "hMailServer SpamProtection rejected RCPT (Sender: veronika07...@etb.net.co, > IP:190.25.189.74, Reason:

Re: [Tutor] fix overwriting issue

2018-02-06 Thread Alan Gauld via Tutor
On 06/02/18 10:34, renukesh nk wrote: > i am facing issue while writing files to a folder, where the files get > overwrite if they have same file names , so any help me to fix That's just what happens, what did you expect to happen? The same would be true id you saved a file from notepad, if you

Re: [Tutor] Fwd: Re: fractions from Fractions

2018-02-06 Thread Alan Gauld via Tutor
On 06/02/18 09:26, Alan Gauld via Tutor wrote: > Forwarding to list, please always use Reply ALL or Reply LIst to send > mail to the list. > > What input did you use and what output did you get? > > Input 239/30  --->  7 1 29 > Input 415/93  --->  4 2 6 7 >

[Tutor] Fwd: Re: fractions from Fractions

2018-02-06 Thread Alan Gauld via Tutor
Forwarding to list, please always use Reply ALL or Reply LIst to send mail to the list. -Original Message- From: Alan Gauld via Tutor <tutor@python.org> To: tutor <tutor@python.org> Sent: Mon, Feb 5, 2018 4:50 am Subject: Re: [Tutor] fractions from Fractions On 05/02/1

Re: [Tutor] fractions from Fractions

2018-02-05 Thread Alan Gauld via Tutor
On 05/02/18 04:11, Rex Florian via Tutor wrote: > The problem is one of the PyCharm problems and when I > use the check feature it tells me my answer is incorrect. What input did you use and what output did you get? So far as I can tell your algorithm is correct, although I'm not sure why

Re: [Tutor] help with some code for my 8 year old! Thank you.

2018-02-03 Thread Alan Gauld via Tutor
On 03/02/18 02:12, JSelby wrote: >My 8 year old is reading Python for kids and is trying a few programs >from the book We are working on a Mac OS X ELCapitain. We are looking at >WHACK THE BOUNCING BALL. >He has copied the code below and we get the red error message below.

Re: [Tutor] Updates to web tutor

2018-02-02 Thread Alan Gauld via Tutor
On 15/11/17 17:41, Alan Gauld via Tutor wrote: Hopefully my last on this topic. I've just uploaded the new landing page for my web site. Aside from being more mobile friendly it also has a wider remit than before, being a gateway to more than just my programming tutorial. As ever feedback

Re: [Tutor] New Line Problem

2018-02-02 Thread Alan Gauld via Tutor
On 02/02/18 02:44, Anna Lapre wrote: > I am having a problem with creating a new line in a return statement for a > function. It has a mix of a bunch of strings and variables. Everything that > I want included will print, except for the new lines. I have tried "\n" but > with no luck. Do you have

Re: [Tutor] unable to locate python on mac

2018-02-01 Thread Alan Gauld via Tutor
On 01/02/18 02:15, Steven D'Aprano wrote: > You can also run: > > sys.executable I'd forgotten that one... > > from Python itself. For example, on my system: > > py> sys.executable > '/usr/local/bin/python3.5' For the benefit of the OP, you need to import sys first so it looks like: >>>

Re: [Tutor] unable to locate python on mac

2018-01-31 Thread Alan Gauld via Tutor
On 31/01/18 17:42, Megan Zirger wrote: > I am completely new to python and trying to learn how to set up and get > going. I'm not a Mac expert but v2.7 is usually installed on a Mac by default (although its just a basic version its fine for learning) If you have downloaded v3.6 9the latest

Re: [Tutor] Python GUI Grid like view with checkboxes in first column

2018-01-29 Thread Alan Gauld via Tutor
On 29/01/18 16:30, Dragan Mestrovik wrote: > I need some suggestions/help in showing large amount of data in grid like > view with first column having checkboxes. Please see the image attached. > How can i achieve this in Python GUI? > [image: Inline image 1]http://oi39.tinypic.com/28vq6wn.jpg

Re: [Tutor] doubt in a program

2018-01-29 Thread Alan Gauld via Tutor
On 29/01/18 06:42, vinod bhaskaran wrote: > newstring = '' > oldstring = 'Newton' > for char in oldstring: >newstring = char + newstring > print(newstring) > > Could someone explain how it is traversing to get the string reversed? print statements are your friend. Add print statements

Re: [Tutor] program not doing what I need it to do

2018-01-28 Thread Alan Gauld via Tutor
On 29/01/18 00:45, Alan Gauld via Tutor wrote: > scores = [] # three sets of scores. Oops, sorry that line shouldn't be there. It came from my first pass through the code, before I saw how you were storing the data lower down. -- Alan G Author of the Learn to Program web site http://www.a

Re: [Tutor] program not doing what I need it to do

2018-01-28 Thread Alan Gauld via Tutor
On 28/01/18 22:06, Edna Broukhim wrote: You have tried to give the variables sensible names but a little bit more work will make your code more readable and therefore easier to debug. You need to rethink your data model slightly. You have a number of users (which you don't explicitly store at

Re: [Tutor] Fwd: Need help with reading and cleaning CSV files for a class

2018-01-28 Thread Alan Gauld via Tutor
On 28/01/18 13:36, Geoff Hancock wrote: > Good day- > I have been asked to help teach students how to clean up a CSV file in > Python. I'm not sure what you mean by "clean up" a CSV file. If the file is malformed then turning it into a well formed CSV file is a non trivial text processing task.

Re: [Tutor] thinter: can't figure out how to update a window instead of creating a new on

2018-01-28 Thread Alan Gauld via Tutor
On 28/01/18 02:58, Chris Roy-Smith wrote: > I have been playing around with the following code which I want to > update the window, but I creates a new window Yes, you are creating a new window each time. You really need to have a separate unction create the window once and store it (or the

Re: [Tutor] Do _all_ Python builtin methods/functions return "None" IF ...

2018-01-27 Thread Alan Gauld via Tutor
On 27/01/18 02:56, boB Stepp wrote: > So my actual question is: For these types of methods/functions, is > Python Both versions 2 and 3) consistent throughout and *always* > returns None? Mostly, but only for mutable objects. So the string methods return a new string with the modifications

Re: [Tutor] Simple flask app querying twitter keeps crashing.

2018-01-26 Thread Alan Gauld via Tutor
On 26/01/18 12:31, jimmy connelly wrote: > Hello I have a very simple Flask app for fetching tweets from twitter... > ... > It runs great for a number of hours then crashes. Caveat, I'm in a hurry and haven't looked at your code. But when things run fine for a long time then crash my first

Re: [Tutor] Updates to web tutor

2018-01-23 Thread Alan Gauld via Tutor
On 15/11/17 17:41, Alan Gauld via Tutor wrote: > I've been doing some much needed maintenance to my web tutor. Many thanks for all the feedback received. I know there are at least a couple of minor glitches still to fix - especially on iPhones... However, the rewrite of the material has b

Re: [Tutor] Fwd: print a for loop system call

2018-01-20 Thread Alan Gauld via Tutor
On 20/01/18 18:26, Derek Smith wrote: > import os > import sys > from subprocess import Popen, PIPE > > pipe = Popen('lsdev -c tape', shell=True, stdout=PIPE) > > for dev in pipe.stdout : > print ( dev.strip().split()[0].decode() )## A ## This is OK > # print (

Re: [Tutor] Writing to a file

2018-01-18 Thread Alan Gauld via Tutor
On 18/01/18 20:51, Devansh Rastogi wrote: > When do you actually use json or pickle, I understand that with data > written to .json files can be used by programs written in other languages, > and pickle is for python specific objects. Yes, that's correct. > So are there specific objects > for

Re: [Tutor] trouble using tkinter CheckButton

2018-01-16 Thread Alan Gauld via Tutor
On 16/01/18 04:37, Chris Roy-Smith wrote: >   File "./debugString.py", line 7, in SetFin >     SetStatus[x] = var.get(x) > AttributeError: 'list' object has no attribute 'get' > var=[IntVar() for x in range(8)] Here you create a list of IntVar objects. The list has no get() method - just as

Re: [Tutor] python gui Tkinter

2018-01-13 Thread Alan Gauld via Tutor
On 13/01/18 12:05, mamatha n wrote: > please any one give me the code for We don't write code for you (unless you want to pay one of us as a contractor) But we can point you at some examples: > username (entryfld)- > pwrd (entryfld) > login(button),changepwrd(button) So far very

Re: [Tutor] Graphical/web program

2018-01-13 Thread Alan Gauld via Tutor
On 13/01/18 05:15, Pat Martin wrote: > I was thinking of turning this into a web app (one that is just run on my > local machine) something like have a form with text box, checkbox and > radio buttons for the options/flags. > > My question is, is something like that practical? Will I be able to

Re: [Tutor] xlrd has no attribute

2018-01-11 Thread Alan Gauld via Tutor
On 11/01/18 22:52, Roger Lea Scherer wrote: > Traceback (most recent call last): > File "C:\Users\Roger\Documents\Roger\Python\xlrd.py", line 1, in > import xlrd Look closely at the error message. What is the name of the file that causes the error? What is the name of the module you are

Re: [Tutor] Why does os.path.realpath('test_main.py') give different results for unittest than for testing statement in interpreter?

2018-01-10 Thread Alan Gauld via Tutor
On 10/01/18 20:20, eryk sun wrote: > ... And working with COM via ctypes is also complex, which is why > comtypes exists. Or easier still Pythonwin (aka PyWin32). I far prefer pythonwin over ctypes for any kind of COM work. -- Alan G Author of the Learn to Program web site

Re: [Tutor] delete strings from specificed words

2018-01-09 Thread Alan Gauld via Tutor
On 09/01/18 14:20, YU Bo wrote: > But, i am facing an interesting question.I have no idea to deal with it. I don;t think you have given us enough context to be able to help much. WE would need some idea of the input and output data (both current and desired) > [PATCH] perf tools: Fix

Re: [Tutor] Why does os.path.realpath('test_main.py') give different results for unittest than for testing statement in interpreter?

2018-01-07 Thread Alan Gauld via Tutor
On 08/01/18 00:17, boB Stepp wrote: >> The os.path module is mostly a string manipulation toolkit. > > This is the critical piece that was eluding me. I assumed that the > actual file system was being queried, checked and expanded as needed. To be fair realpath() does do a tiny bit of magic in

Re: [Tutor] Why does os.path.realpath('test_main.py') give different results for unittest than for testing statement in interpreter?

2018-01-07 Thread Alan Gauld via Tutor
On 07/01/18 09:07, boB Stepp wrote: > clarify this? What is the methodology that os.path.realpath(path) is > actually following to yield a particular path name? And why does it > not care if path refers to a real file or not? The os.path module is mostly a string manipulation toolkit. It

Re: [Tutor] Updates to web tutor

2018-01-05 Thread Alan Gauld via Tutor
On 05/01/18 13:49, Alan Gauld via Tutor wrote: > As before, if anyone can spare the time to take a look at > the new and updated material and send me feedback (offlist) > it will be appreciated. Just realized I forgot to include the test site url! If it's not a yellow theme then it's

Re: [Tutor] Updates to web tutor

2018-01-05 Thread Alan Gauld via Tutor
On 15/11/17 17:41, Alan Gauld via Tutor wrote: > Only just on topic but I'd like some help please... > > I've been doing some much needed maintenance to my web tutor. The latest update is that I think I've got the styling and structure as I want it and everything should be usable on al

Re: [Tutor] CSV row and column width automation

2018-01-03 Thread Alan Gauld via Tutor
On 03/01/18 05:31, renukesh nk wrote: > Is there any way to automatically set the column and row width in a CSV > file through python script I'm not sure what you mean. CSV files don't have widths, they are just sequences of data strings separated by commas. Each piece of data takes as much

[Tutor] Fwd: Re: checking connection to internet until success

2018-01-02 Thread Alan Gauld via Tutor
Forwarding to list... Forwarded Message Subject:Re: [Tutor] checking connection to internet until success Date: Wed, 3 Jan 2018 01:35:18 +0100 From: Pi <guest0x...@gmail.com> To: Alan Gauld <alan.ga...@yahoo.co.uk> 10 months ago i wrote appli

Re: [Tutor] checking connection to internet until success

2018-01-02 Thread Alan Gauld via Tutor
On 01/01/18 21:38, Pi wrote: > with this code i am getting actual date from internet. I need correct > date, because i am not sure this set on computer is right. The first obvious pointto make is that all modern OS come with an option to read the date/time from an internet time server so this is

Re: [Tutor] Fw: IDLE

2017-12-31 Thread Alan Gauld via Tutor
On 30/12/17 15:53, nelson jon kane wrote: > Thanks. What do you mean when you say "find a written tutorial"? One that is written as opposed to a video. In other words a web site or book. -- Alan G Author of the Learn to Program web site http://www.alan-g.me.uk/

Re: [Tutor] IDLE

2017-12-30 Thread Alan Gauld via Tutor
On 29/12/17 22:21, nelson jon kane wrote: > ..., he had his own personal name "put in" to his Python, I have no idea what you mean by that. Python is an interpreter that executes your code. It doesn't have a "User Name" in it. In interactive mode it displays a prompt which is usually >>>

Re: [Tutor] IDLE

2017-12-29 Thread Alan Gauld via Tutor
On 29/12/17 16:43, Jay Kelman wrote: > I downloaded Python and when I look at IDLE it tells me to update TCL. Are you using a Mac by any chance? I seem to recall this used to be a common issue with MacOS. If you google for "IDLE MacOS Tcl" you should find several links telling you how to fix

Re: [Tutor] Hi there, have a question for a side project in physics.....

2017-12-25 Thread Alan Gauld via Tutor
On 25/12/17 09:08, Siddharth Sehgal wrote: physics masters student. I am trying to use the Sellmeier Equation I originally state them as floats. However such a process apparently > cannot be done with "floats" like these. It can be done just with a large error (although as a physics

Re: [Tutor] Tutor Digest, Vol 166, Issue 21

2017-12-25 Thread Alan Gauld via Tutor
On 25/12/17 03:46, anish singh wrote: However, I am stuck. I have below code which is not working. I don't know how to achieve this programmatically: sorted by the number of occurrences in a descending order. If two or more words have the same count, they should be sorted alphabetically (in an

Re: [Tutor] installation of Python 2.7 an 3.6, feedback

2017-12-24 Thread Alan Gauld via Tutor
On 24/12/17 15:36, marcus lütolf wrote: while working through Alan C. Gould‘s excellent update on‘ Learning to Program‘ I copied OK, First I need to point out that the tutorial content has not changed, it is still the old c2010-12 material. The update is to the structure and cosmetics to

Re: [Tutor] sort by value and then by key

2017-12-24 Thread Alan Gauld via Tutor
On 24/12/17 08:12, anish singh wrote: > However, I am stuck. I have below code which is not working. Define "not working" Do you get an error message? (show us) If the output different to what you expect (show us) Have you tried printing the intermediate results? For example the dictionary

Re: [Tutor] Problem in python online class

2017-12-21 Thread Alan Gauld via Tutor
On 21/12/17 08:40, Tim Cordsen via Tutor wrote: > ...doesn't provide his code, so everyone must type on their own. Thats not necessarily a bad thing. You only really learn when you type in your own code. Its like muscle memory for the brain and fingers. > web frontend with a form and saving the

Re: [Tutor] Problem python script

2017-12-19 Thread Alan Gauld via Tutor
On 19/12/17 09:47, Antoan Hristov wrote: > I am using a script which extracts data from internet every Monday, but > sometimes I have a problem that the script is not finishing properly. In > terminal I stop it with Ctrl-C and the message it gives me is: It is very hard to comment on code which

Re: [Tutor] Floating decimal question

2017-12-18 Thread Alan Gauld via Tutor
On 18/12/17 22:09, Roger Lea Scherer wrote: > bill = float(input("What is the price of the bill?: ")) > tip15 = bill*1.15 > tip20 = bill*1.20 > > print("Bill plus 15% gratuity is " + str(tip15)) > print("Bill plus 20% gratuity is " + str(tip20)) > > This is the result > Bill plus 15% gratuity

Re: [Tutor] Welcome to the "Tutor" mailing list

2017-12-18 Thread Alan Gauld via Tutor
On 18/12/17 15:42, Juan Mayén wrote: > learning Linux and completing banditoverthewire exercises. Now though I am > interested in at least building one small application, I was thinking of > building a web crawler, or create a bot that will help me place trades in > crypto currency market. > >

Re: [Tutor] Writing data to JSON Help

2017-12-15 Thread Alan Gauld via Tutor
On 15/12/17 18:46, Lloyd Walker wrote: > I'm currently using string formatting to create the json rather than > creating a dictionary and appending that dictionary to file via the JSON > lib. That's probably your mistake. The standard library is there to help you get difficult things right.

Re: [Tutor] When do you know you're ready to start applying for jobs?

2017-12-14 Thread Alan Gauld via Tutor
On 14/12/17 20:30, Matthew Ngaha wrote: > direction on where I can learn about the principles of system design. > Also why isn't this taught in beginner tutorials, or is it an advanced > concept? It's advanced compared to programming, but there are lots of books on the subject, especially OO

Re: [Tutor] When do you know you're ready to start applying for jobs?

2017-12-12 Thread Alan Gauld via Tutor
On 12/12/17 19:43, Matthew Ngaha wrote: > Hi all. I took 2-3 years off in 2012 to teach myself programming. I > learnt basic Javascript & Python with some Django. I don't have a > Computer Science (CS) degree The key issue here is what is true in your locality. In my part of the world the vast

Re: [Tutor] restructuredtext's documentation

2017-12-12 Thread Alan Gauld via Tutor
On 11/12/17 14:04, adil gourinda wrote: > Hi > Please I have two questions: > > 1) Why restructuredtext's documentation is not included as a part of the > official Python's documentation? Because the module is not part of the standard library. Like most languages Python has a standard library

Re: [Tutor] Aggregation vs Composition

2017-12-11 Thread Alan Gauld via Tutor
On 11/12/17 00:40, boB Stepp wrote: > I own this book, too. I'll insert the portions of the text that I > believe the OP is referring to. Thanks for the clarification Bob. >>> composition is aggregation* > > On page 18 the author goes on to use a chess set as an example... > > He continues in

Re: [Tutor] Question

2017-12-10 Thread Alan Gauld via Tutor
On 10/12/17 05:48, Khabbab Zakaria wrote: > I am working on a program where I found the line: > x,y,z = np.loadtext('abcabc.txt', unpack= True, skiprows =1) > What does the x, y, z thing mean? > What does the unpack= True mean? They are related. unpacking is a feature of Python whereby a

Re: [Tutor] Aggregation vs Composition

2017-12-10 Thread Alan Gauld via Tutor
On 10/12/17 05:07, jia yue Kee wrote: > in Dusty Philips's Python 3: Object-Oriented > Programming book. Caveat: I've not read this book so can only guess at what the author might be meaning. > Based on my reading, what I gathered was that Composition implies a > relationship where the child

Re: [Tutor] application development

2017-12-09 Thread Alan Gauld via Tutor
On 09/12/17 19:09, Ayanlade Timilehin via Tutor wrote: > I'm a Windows user and I am interested in developing android applications By far the easiest way into Android development is the AppInventor web site. http://ai2.appinventor.mit.edu Its a cloud based development tool based on Scratch but

Re: [Tutor] More tutor testing required

2017-12-08 Thread Alan Gauld via Tutor
On 05/12/17 16:02, Alan Gauld via Tutor wrote: > address the issues raised and the latest incarnation > should work (although not well with Opera for some reason!) I think I've now got scrolling to work on iOS/Safari and Opera almost works... (a slight glitch when the width is

Re: [Tutor] Using Tutor

2017-12-08 Thread Alan Gauld via Tutor
On 07/12/17 22:12, Milosh Bogdanovic via Tutor wrote: > Hi, > I'd like to subscribe to python tutor as a beginner. > regards,Milos B. Welcome, you are subscribed. Now you start asking questions and we will attempt to answer. It will help if you follow these guidelines: Tell us the OS and Python

Re: [Tutor] How to debug a memory leak in a wsgi application?

2017-12-06 Thread Alan Gauld via Tutor
On 06/12/17 09:21, Etienne Robillard wrote: > Hi > > I think my wsgi application is leaking and I would like to debug it. > > What is the best way to profile memory usage in a running wsgi app? This is probably a bit advanced for the tutor list, you might get a better response on the main

Re: [Tutor] More tutor testing required

2017-12-06 Thread Alan Gauld via Tutor
On 05/12/17 16:02, Alan Gauld via Tutor wrote: > address the issues raised and the latest incarnation > should work (although not well with Opera for some reason!) Now better with Opera, although the contents panel is still not quite right on small screens. Still looking for feedback fr

[Tutor] More tutor testing required

2017-12-05 Thread Alan Gauld via Tutor
Folks, A couple of weeks ago I asked for testers for my web tutor. Many thanks to those who helped out. I've now tried to address the issues raised and the latest incarnation should work (although not well with Opera for some reason!) As before I am particularly needful of feedback from Apple

Re: [Tutor] Problem with 'IF' condition

2017-12-04 Thread Alan Gauld via Tutor
;. > But it doesnot. >   > Please let me know if you find any errors. >   > Best Regards, > Achyut Ajmera  >   >   > > - Original Message - > Subject: Re: [Tutor] Problem with 'IF' condition > From: "Alan Gauld via Tutor" <t

Re: [Tutor] Problem with 'IF' condition

2017-12-01 Thread Alan Gauld via Tutor
On 01/12/17 14:02, a.ajm...@incycleautomation.com wrote: > - If you see in my code, I'm writing to "test1.txt" and saving that value in > "nao" as well. > On the other side, I'm reading from "test3.txt" and saving that value in > "abb" just like above. > > Now, my goal is to compare these two

Re: [Tutor] problem with a sub-class

2017-11-30 Thread Alan Gauld via Tutor
On 30/11/17 15:37, Shall, Sydney wrote: > My problem is with constructing a sub-class. > > My sub-class is constructed as follows: > > import Population_ProductivityV24 as POCWP Note that POCWP is an alias for the *module* Population_ProductivityV24. It is not a class. > line 27 : class

Re: [Tutor] Python

2017-11-30 Thread Alan Gauld via Tutor
On 30/11/17 08:20, Jeroen van de Ven wrote: > Hello, > Can you build these 4 programms for me? Nice try. The answer is yes we can, but no we won't. You wouldn't learn anything if we did and this list is here to teach. That means you need to write the code and we will offer help and suggestions.

Re: [Tutor] get javascript output data from ssi file

2017-11-28 Thread Alan Gauld via Tutor
On 27/11/17 21:24, Derek Smith wrote: > I have not found a way into my tape library from the manufacture IBM, > there's no command-line or api I am aware of nor is google. I suspect you are asking the wrong questions. Have you tried contacting IBM directly - if they make/sell it they should

Re: [Tutor] failed installation of Python 2.7

2017-11-28 Thread Alan Gauld via Tutor
On 27/11/17 20:39, marcus lütolf wrote: > I could install the newest version of python 3.6 without > any problems but I need python 2.7 for tutorial purposes. Please provide the extra information previously requested and we should be able to help. What you want to do is easily possible we just

Re: [Tutor] calling function

2017-11-27 Thread Alan Gauld via Tutor
On 27/11/17 20:47, Howard Lawrence wrote: > import turtle > # this part draws a square > def square(): > > my_turtle = turtle.Turtle() Note that this creates my_turtle as a local variable inside the function. It will not be visible outside the function. > my_turtle.forward(100) >

Re: [Tutor] Need help fixing some code for a project

2017-11-27 Thread Alan Gauld via Tutor
On 27/11/17 01:57, John Cocks wrote: > The task is broken down into three sections. What exactly do you want help with? Do you not understand part of the problem? Do you not know how to code some part? Are you getting an error? If so show us the full error text. WE are not mind readers, you need

Re: [Tutor] failed installation of Python 2.7

2017-11-26 Thread Alan Gauld via Tutor
On 26/11/17 23:12, Steven D'Aprano wrote: > Please start by explaining: > > ... Also tell us how you are installing this version. If it is a binary installer where did you download it from? And what was it called? If you are using a package manager say so. If you are trying to build from

Re: [Tutor] AttributeError: 'BezierPath' object has no attribute '_draw_solid'

2017-11-20 Thread Alan Gauld via Tutor
On 20/11/17 11:24, Steven D'Aprano wrote: On Mon, Nov 20, 2017 at 10:26:50AM +, Alan Gauld via Tutor wrote: Actually, pasting code etc is safer since the server removes attachments. And while it is supposed to preserve plain text attachments it will throw them away if it sees *anything

Re: [Tutor] AttributeError: 'BezierPath' object has no attribute '_draw_solid'

2017-11-20 Thread Alan Gauld via Tutor
I'll echo everything Steve says except: On 20/11/17 00:23, Steven D'Aprano wrote: - Ensure your code and data are ATTACHED to the email as separate files, not copy and pasted into the body. We should be able to save the files directly to our own computers without the risk of

Re: [Tutor] AttributeError: 'BezierPath' object has no attribute '_draw_solid'

2017-11-19 Thread Alan Gauld via Tutor
On 19/11/17 20:14, Stephen P. Molnar wrote: In all candor, I don't have the faintest idea as to whst the problem (or problens) might be and would greatly appreciate a pointer towards the solution. You really need to post the entire error message not just the summary line. Especially since

[Tutor] Try the list archive Re: QT5 pyqt5 for python 2.7

2017-11-19 Thread Alan Gauld via Tutor
On 18/11/17 18:03, adam ghering wrote: I have what seems like two responses but there are no text at all in the body of the messages. Is there a way I am supposed to see these? You should see the body but youcan try the list archive via a browser... Alan g

Re: [Tutor] QT5 pyqt5 for python 2.7

2017-11-18 Thread Alan Gauld via Tutor
On 18/11/17 01:51, adam ghering wrote: I have seen that pyqt5 supports python 2.7 according to its documentation > but it needs to be rebuilt to function. Thats unusual, usually you can find a binary by somebody. But provided you have the dev tools building from source shoulkd not be too

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