On Tue, 19 Sep 2017 18:43:43 -0700, Rick Johnson wrote:
> On Tuesday, September 19, 2017 at 12:55:14 PM UTC-5, Chris Angelico
> wrote:
>> On Wed, Sep 20, 2017 at 3:44 AM, Stefan Ram
>> wrote:
>> > Steve D'Aprano did *not* write [it was
>> > edited/abbreviated by me - S. R.]:
>> > |disadvantages:
On Wed, Sep 20, 2017 at 2:55 PM, Pavol Lisy wrote:
> BTW if python would only bring "from __cleverness__ import
> print_function" how many people would accept your reasons and use it?
> And how many would rewrite old code?
>
> How many people would say something like: "Oh it is cool! Now I could
>
Hello,
I've been having issues using basic python commands in windows powershell.
I'm new to programming so just going off of online tutorials.
Earlier I was unable to use pip to install Django (pip install Django), and
came to this forum for help and someone was able to give me the correct
comma
Ned Deily writes:
> You can find Python 3.7.0a1 and more information here:
> https://www.python.org/downloads/release/python-370a1/
This says:
The next pre-release of Python 3.7 will be 3.6.0a2, currently
scheduled for 2016-10-16.
:)
--
https://mail.python.org/mailman/listinfo/pyth
On 9/19/17, Steve D'Aprano wrote:
[...]
> The point is, we all make the occasional silly error. Doesn't mean we should
> cripple our functions and fill the language with special cases like the
> print
> statement to avoid such rare errors. If print had always been a function,
> and
> someone sug
On Tue, 19 Sep 2017 17:26:55 -0700, Rick Johnson wrote:
> Of course, allowing all objects to use the `==`, `!=` sugars makes
> perfect sense, but `<`, `>`, `<=`, `>=` are meaningless outside of
> numeric-ish types.
You've never wanted to sort strings? How do you sort strings unless you
have a c
On 2017-09-20 01:41, Stefan Ram wrote:
Steve D'Aprano writes:
A simple "autocorrect" in *what*? The interpreter? The editor? Both?
I imagine something like this: When the editor gets the
command to run the contents of the buffer as Python,
it would then do the autocorrect in the buff
>
> >>> False > 1
> False
> >>> dir > 1
> True
> >>> isinstance < 100
> False
> >>> "" >= 10
> True
> >>> (1,) <= 500
> False
>
> And down the rabbit hole we go!
>
> Now, not only do we have magic that implicitly casts all
> objects to booleans in conditional
On 09/19/2017 09:37 AM, justin walters wrote:
On Tue, Sep 19, 2017 at 9:17 AM, Grant Edwards
wrote:
On 2017-09-19, Jan Erik =?utf-8?q?Mostr=C3=B6m?=
wrote:
And I'm amazed how often I see people trying to calculate
change = sum handed over - cost
and then trying to figure out what bi
On Tuesday, September 19, 2017 at 1:31:52 PM UTC-5, bartc wrote:
[...]
> Can't you get around all those with things like
> sys.stdout.write?
Yes.
> If so, what was the point of having a discrete print
> statement/function at all?
I believe the original intent was to create a universal
symbo
On Tuesday, September 19, 2017 at 12:55:14 PM UTC-5, Chris Angelico wrote:
> On Wed, Sep 20, 2017 at 3:44 AM, Stefan Ram wrote:
> > Steve D'Aprano did *not* write
> > [it was edited/abbreviated by me - S. R.]:
> > |disadvantages:
> > |0 - it makes print a special thing
No more "special" than any
Rick Johnson wrote:
I think for most languages an intuitive syntax is not
important -- C is such a language, Lisp is such a language,
Perl is such a language, and there are many more -- but
for Python, intuitiveness is very important.
I guess it depends on what you mean by "important" ("importan
On Tuesday, September 19, 2017 at 2:08:05 AM UTC-5, Steven D'Aprano wrote:
> [...]
> 5.6775 is a much more useful answer than Fraction(2271, 400). ("What's
> that in real money?")
Steven, you're not using floats for currency are you?
Tsk tsk!
Besides, if Python division returned a useless frac
On Wed, 20 Sep 2017 03:22 am, Chris Angelico wrote:
> On Wed, Sep 20, 2017 at 2:20 AM, Steve D'Aprano
> wrote:
>> I can only think of four operations which are plausibly universal:
>>
>> Identity: compare two operands for identity. In this case, the type of the
>> object is irrelevant.
>>
>> Kind
On Wed, 20 Sep 2017 04:48 am, Larry Martell wrote:
>>> It was my birthday the other day. People at worked asked how old I
>>> was. I replied:
>>>
>>> ((3**2)+math.sqrt(400))*2
>>>
>>> Quite a few people somehow came up with 47. And these are technical people.
>>
>> *headscratch* Multiple people go
INADA Naoki wrote:
> Rick Johnson wrote:
> > INADA Naoki wrote:
> > >
> > > I can't agree with you. It's too redundant. It doesn't
> > > provide any information about what coder think.
> >
> > It's not about what the "coder thinks", many times what
> > the coder thinks is wrong, it's about writin
On Wed, 20 Sep 2017 04:31 am, bartc wrote:
> On 19/09/2017 17:30, Steve D'Aprano wrote:
[snip list of problems with print]
> Can't you get around all those with things like sys.stdout.write?
If you had kept reading, you would have seen that I wrote:
Of course an experienced Python coder ca
On Wed, 20 Sep 2017 03:44 am, Stefan Ram wrote:
> Steve D'Aprano did *not* write
> [it was edited/abbreviated by me - S. R.]:
> |disadvantages:
> |0 - it makes print a special thing
> |1 - beginners have to unlearn
> |2 - `print(x, y)` is *not* the same as `print x, y`;
> |3 - it has bizarre synt
On Thursday, September 14, 2017 at 11:01:46 PM UTC-7, santosh.y...@gmail.com
wrote:
> Hi,
>
> Can anyone help me in the below issue.
>
> I need to convert string to dictionary
>
> string = " 'msisdn': '7382432382', 'action': 'select', 'sessionId': '123',
> 'recipient': '7382432382', 'language
The Python build factories have been busy the last several weeks preparing
our fall lineup of releases. Today we are happy to announce three
additions: 3.6.3rc1, 3.7.0a1, and 3.3.7 final, which join last weekend's
2.7.14 and last month's 3.5.4 bug-fix releases and 3.4.7 security-fix
update (https:
On Tuesday 19 September 2017 13:38:42 ROGER GRAYDON CHRISTMAN wrote:
> I recall giving a quiz to my college students sometime back around
> the late nineties which had a little bit of arithmetic involved in the
> answer. It's been too long ago to still have the exact details, but I
> remember a c
On Wed, Sep 20, 2017 at 5:45 AM, Stefan Ram wrote:
> Chris Angelico writes:
>>On Wed, Sep 20, 2017 at 4:59 AM, Stefan Ram wrote:
>>>I don't get this. For example, the contractual payment (cost) is
>>>47.21
>>>, the other party hands over
>>>50.25
>>>. Now I am supposed to add /what/ to the cost?
On 2017-09-19 20:19, Bill Deegan wrote:
try using: python -m pip
Does that work?
If you want to be more specific, you can use the Python launcher:
py -3.6 -m pip
On Tue, Sep 19, 2017 at 12:47 PM, Joey Steward
wrote:
-- Forwarded message --
From: Joey Steward
Date: Mon,
On 2017-09-19 17:46, Larry Martell wrote:
On Tue, Sep 19, 2017 at 12:12 PM, Rhodri James wrote:
Eh, my school never 'ad an electronics class, nor a computer neither. Made
programming a bit tricky; we 'ad to write programs on a form and send 'em
off to next county. None of this new-fangled VHD
On 2017-09-19 19:15, Christopher Reimer wrote:
On Sep 19, 2017, at 9:09 AM, justin walters wrote:
On Tue, Sep 19, 2017 at 8:59 AM, Grant Edwards
wrote:
On 2017-09-19, Rhodri James wrote:
On 19/09/17 16:00, Stefan Ram wrote:
D'Arcy Cain writes:
of course, I use calculators and computers b
On Wed, Sep 20, 2017 at 4:59 AM, Stefan Ram wrote:
> "Jan Erik =?utf-8?q?Mostr=C3=B6m?=" writes:
>>And I'm amazed how often I see people trying to calculate
>>change = sum handed over - cost
>>and then trying to figure out what bills/coins should be returned
>>instead of doing the simple thing of
try using: python -m pip
Does that work?
On Tue, Sep 19, 2017 at 12:47 PM, Joey Steward
wrote:
> -- Forwarded message --
> From: Joey Steward
> Date: Mon, Sep 18, 2017 at 3:26 PM
> Subject: Issues with pip installation on windows
> To: python-list@python.org
>
>
> Hello,
>
> I'
> On Sep 19, 2017, at 9:09 AM, justin walters
> wrote:
>
> On Tue, Sep 19, 2017 at 8:59 AM, Grant Edwards
> wrote:
>
>>> On 2017-09-19, Rhodri James wrote:
On 19/09/17 16:00, Stefan Ram wrote:
D'Arcy Cain writes:
> of course, I use calculators and computers but I still understa
On 19/09/2017 17:26, Larry Martell wrote:
On Tue, Sep 19, 2017 at 10:30 AM, D'Arcy Cain wrote:
On 09/19/2017 06:46 AM, Larry Martell wrote:
True story - the other day I was in a store and my total was $10.12. I
One time I was at a cash with three or four items which were taxable. The
cashi
On Tuesday, September 19, 2017 at 1:05:51 AM UTC-7, Stefan Behnel wrote:
> John Ladasky schrieb am 19.09.2017 um 08:54:
> > I have come to understand from your other posts that adding something to
> > the stdlib imposes significant constraints on the release schedules of
> > those modules. I can a
On Tue, Sep 19, 2017 at 12:12 PM, Rhodri James wrote:
>
> Eh, my school never 'ad an electronics class, nor a computer neither. Made
> programming a bit tricky; we 'ad to write programs on a form and send 'em
> off to next county. None of this new-fangled VHDL neither, we 'ad to do our
> simulat
-- Forwarded message --
From: Joey Steward
Date: Mon, Sep 18, 2017 at 3:26 PM
Subject: Issues with pip installation on windows
To: python-list@python.org
Hello,
I'm a new programmer who initially began learning python for bioinformatics
and data analysis applications, but have r
On Tue, Sep 19, 2017 at 9:26 AM, Larry Martell
wrote:
> On Tue, Sep 19, 2017 at 10:30 AM, D'Arcy Cain
> wrote:
> > On 09/19/2017 06:46 AM, Larry Martell wrote:
> >>
> >> True story - the other day I was in a store and my total was $10.12. I
> >
> >
> > One time I was at a cash with three or four
On 2017-09-19, Larry Martell wrote:
> I was just in a clothing store this weekend and there was a rack of
> clothes that was 50%. The sales clerk said everything on that rack was
> an additional 25% off, so it's 75% off the original price. I asked is
> it 75% off the original price or 25% off the
On Tue, Sep 19, 2017 at 2:41 PM, Chris Angelico wrote:
> On Wed, Sep 20, 2017 at 4:33 AM, Larry Martell
> wrote:
>> On Tue, Sep 19, 2017 at 1:38 PM, ROGER GRAYDON CHRISTMAN
>> wrote:
>>> I recall giving a quiz to my college students sometime back around
>>> the late nineties which had a littl
On 19/09/17 19:33, Larry Martell wrote:
On Tue, Sep 19, 2017 at 1:38 PM, ROGER GRAYDON CHRISTMAN wrote:
I recall giving a quiz to my college students sometime back around
the late nineties which had a little bit of arithmetic involved in the answer.
It's been too long ago to still have the ex
On Wed, Sep 20, 2017 at 4:33 AM, Larry Martell wrote:
> On Tue, Sep 19, 2017 at 1:38 PM, ROGER GRAYDON CHRISTMAN wrote:
>> I recall giving a quiz to my college students sometime back around
>> the late nineties which had a little bit of arithmetic involved in the
>> answer.
>> It's been too lon
On 19/09/2017 17:30, Steve D'Aprano wrote:
On Tue, 19 Sep 2017 05:56 am, Roel Schroeven wrote:
I do prefer Python 3's print-as-a-function because "special cases aren't
special enough to break the rules", but I feel there's a case to be made
for Python 2's print-as-a-statement because "(altho
On Tue, Sep 19, 2017 at 2:37 PM, Stephan Houben <
stephan...@gmail.com.invalid> wrote:
> Op 2017-09-19, Steven D'Aprano schreef pearwood.info>:
>
> > There is a significant chunk of the Python community for whom "just pip
> > install it" is not easy, legal or even possible. For them, if its not i
Op 2017-09-19, Steven D'Aprano schreef :
> There is a significant chunk of the Python community for whom "just pip
> install it" is not easy, legal or even possible. For them, if its not in
> the standard library, it might as well not even exist.
But numpy *is* in the standard library, provided
On Tue, Sep 19, 2017 at 1:38 PM, ROGER GRAYDON CHRISTMAN wrote:
> I recall giving a quiz to my college students sometime back around
> the late nineties which had a little bit of arithmetic involved in the answer.
> It's been too long ago to still have the exact details, but I remember
> a couple
On 19/09/17 17:52, justin walters wrote:
On Tue, Sep 19, 2017 at 9:12 AM, Rhodri James wrote:
Eh, my school never 'ad an electronics class, nor a computer neither. Made
programming a bit tricky; we 'ad to write programs on a form and send 'em
off to next county. None of this new-fangled VHDL
I recall giving a quiz to my college students sometime back around
the late nineties which had a little bit of arithmetic involved in the answer.
It's been too long ago to still have the exact details, but I remember
a couple solutions that would be of the form:
5 + 10 + 1*2
And then the student
On Wed, Sep 20, 2017 at 3:44 AM, Stefan Ram wrote:
> Steve D'Aprano did *not* write
> [it was edited/abbreviated by me - S. R.]:
> |disadvantages:
> |0 - it makes print a special thing
> |1 - beginners have to unlearn
> |2 - `print(x, y)` is *not* the same as `print x, y`;
> |3 - it has bizarre s
On Wed, Sep 20, 2017 at 2:20 AM, Steve D'Aprano
wrote:
> I can only think of four operations which are plausibly universal:
>
> Identity: compare two operands for identity. In this case, the type of the
> object is irrelevant.
>
> Kind: interrogate an object to find out what kind of thing it is (w
On Tue, Sep 19, 2017 at 9:12 AM, Rhodri James wrote:
> On 19/09/17 16:59, Grant Edwards wrote:
>
>> On 2017-09-19, Rhodri James wrote:
>>
>>> On 19/09/17 16:00, Stefan Ram wrote:
>>>
D'Arcy Cain writes:
> of course, I use calculators and computers but I still understand the
>
Stefan Ram schrieb am 19.09.2017 um 17:00:
> D'Arcy Cain writes:
>> of course, I use calculators and computers but I still understand the
>> theory behind what I am doing.
>
> I started out programming in BASIC. Today, I use Python,
> the BASIC of the 21st century. Python has no GOTO, but wh
On 19/09/17 16:59, Grant Edwards wrote:
On 2017-09-19, Rhodri James wrote:
On 19/09/17 16:00, Stefan Ram wrote:
D'Arcy Cain writes:
of course, I use calculators and computers but I still understand the
theory behind what I am doing.
I started out programming in BASIC. Today, I use Pyth
On Tue, 19 Sep 2017 05:56 am, Roel Schroeven wrote:
> I do prefer Python 3's print-as-a-function because "special cases aren't
> special enough to break the rules", but I feel there's a case to be made
> for Python 2's print-as-a-statement because "(although) practicality
> beats purity" sometim
On Tue, Sep 19, 2017 at 9:17 AM, Grant Edwards
wrote:
> On 2017-09-19, Jan Erik =?utf-8?q?Mostr=C3=B6m?=
> wrote:
>
> > And I'm amazed how often I see people trying to calculate
> >
> > change = sum handed over - cost
> >
> > and then trying to figure out what bills/coins should be returned
On Tue, Sep 19, 2017 at 10:30 AM, D'Arcy Cain wrote:
> On 09/19/2017 06:46 AM, Larry Martell wrote:
>>
>> True story - the other day I was in a store and my total was $10.12. I
>
>
> One time I was at a cash with three or four items which were taxable. The
> cashier rung each one up and hit the to
On Tue, 19 Sep 2017 09:53 pm, Rustom Mody wrote:
> How exceptional is python's choice to NOT raise exceptions can be seen by
> examples:
You demonstrated that python raises exceptions for operations that aren't
defined or meaningful. I don't know what point you think that made, apart from
demonst
On 2017-09-19, Jan Erik =?utf-8?q?Mostr=C3=B6m?= wrote:
> And I'm amazed how often I see people trying to calculate
>
> change = sum handed over - cost
>
> and then trying to figure out what bills/coins should be returned
> instead of doing the simple thing of just adding to the cost.
When
On Tue, Sep 19, 2017 at 8:59 AM, Grant Edwards
wrote:
> On 2017-09-19, Rhodri James wrote:
> > On 19/09/17 16:00, Stefan Ram wrote:
> >> D'Arcy Cain writes:
> >>> of course, I use calculators and computers but I still understand the
> >>> theory behind what I am doing.
> >>
> >>I started ou
On 09/19/2017 06:46 AM, Larry Martell wrote:
True story - the other day I was in a store and my total was $10.12. I
One time I was at a cash with three or four items which were taxable.
The cashier rung each one up and hit the total button. She turned to me
and said something like "$23.42 pl
On 18/09/17 16:29, Ben Bacarisse wrote:
Steve D'Aprano writes:
To answer your question, what do I mean by int/int being undefined, I'd have to
dig into areas of maths that either weren't taught in the undergrad courses I
did, or that I've long since forgotten about. Something
about... fields?
On 19 Sep 2017, at 13:01, bartc wrote:
My bill in a store came to £3.20 (GBP3.20), so I handed over £10.20.
I was given back £16.90 in change!
It turned out the cashier had entered £20.10 as the amount tendered.
It was sorted out in the end.
Sometimes its easier not to be bother making the
On 2017-09-19, Rhodri James wrote:
> On 19/09/17 16:00, Stefan Ram wrote:
>> D'Arcy Cain writes:
>>> of course, I use calculators and computers but I still understand the
>>> theory behind what I am doing.
>>
>>I started out programming in BASIC. Today, I use Python,
>>the BASIC of the 2
On Tue, Sep 19, 2017 at 8:00 AM, Stefan Ram wrote:
> D'Arcy Cain writes:
> >of course, I use calculators and computers but I still understand the
> >theory behind what I am doing.
>
> I started out programming in BASIC. Today, I use Python,
> the BASIC of the 21st century. Python has no GOTO
On 19/09/17 16:00, Stefan Ram wrote:
D'Arcy Cain writes:
of course, I use calculators and computers but I still understand the
theory behind what I am doing.
I started out programming in BASIC. Today, I use Python,
the BASIC of the 21st century. Python has no GOTO, but when
it is exe
On Wed, Sep 20, 2017 at 12:24 AM, D'Arcy Cain wrote:
> On 09/19/2017 03:07 AM, Steven D'Aprano wrote:
>>>
>>> How relevant is the "people use calculators to do arithmetic" argument
>>> today? Okay, so I'm old and cynical, but I know [young] people who
>>> don't (can't?) calculate a gratuity witho
I'm working on designing the classes, sub-classes, and relationships in my
code. What is a good visual way to represent it so it can be stored in git
and shared on the list without large images or attachments?
Thanks!
Leam
--
https://mail.python.org/mailman/listinfo/python-list
On 09/19/2017 03:07 AM, Steven D'Aprano wrote:
How relevant is the "people use calculators to do arithmetic" argument
today? Okay, so I'm old and cynical, but I know [young] people who
don't (can't?) calculate a gratuity without an app or a web page.
Which is a form of calculator. People still
On Tuesday, September 19, 2017 at 4:41:01 PM UTC+5:30, Antoon Pardon wrote:
> Op 19-09-17 om 11:22 schreef Steven D'Aprano:
> > Except for bools, where people freak out and are convinced the world will
> > end if you just ask an object "are you true or false?".
> >
> > Perhaps just a *tiny* exagg
"bartc" wrote in message news:EN6wB.770830$uh.63078@fx28.am4...
On 19/09/2017 11:46, Larry Martell wrote:
>
> True story - the other day I was in a store and my total was $10.12. I
> pulled out a $20, and the cashier (probably age 23 or so) immediately
> entered $20 as the amount tendered. Then
Op 19-09-17 om 11:22 schreef Steven D'Aprano:
> On Tue, 19 Sep 2017 09:10:04 +0200, Antoon Pardon wrote:
>
>> Op 18-09-17 om 15:47 schreef Paul Moore:
>>> On 18 September 2017 at 14:30, Antoon Pardon
>>> wrote:
Well that you reduce an object to a boolean value is not obvious to
begin wit
On 19/09/2017 11:46, Larry Martell wrote:
On Mon, Sep 18, 2017 at 11:23 PM, Dan Sommers wrote:
How relevant is the "people use calculators to do arithmetic" argument
today? Okay, so I'm old and cynical, but I know [young] people who
don't (can't?) calculate a gratuity without an app or a web p
On Mon, Sep 18, 2017 at 11:23 PM, Dan Sommers wrote:
> How relevant is the "people use calculators to do arithmetic" argument
> today? Okay, so I'm old and cynical, but I know [young] people who
> don't (can't?) calculate a gratuity without an app or a web page.
I use a calculator all the time -
On Tue, Sep 19, 2017 at 7:31 PM, Steven D'Aprano
wrote:
> On Tue, 19 Sep 2017 17:59:10 +1000, Chris Angelico wrote:
>
>> Aside from the backward compatibility concerns (which mean that this
>> can't be done in a language that calls itself "Python"), I'm not seeing
>> any reason that a human-friend
On Tue, Sep 19, 2017 at 7:34 PM, Steven D'Aprano
wrote:
> On Tue, 19 Sep 2017 17:46:32 +1000, Chris Angelico wrote:
>
>
>> # Display booleans differently if x is True:
>> ... display flag
>> else:
>> ... display number
>>
>> which would be better represented with "if isinstance(x, bool):"
On Tue, 19 Sep 2017 17:59:10 +1000, Chris Angelico wrote:
> Aside from the backward compatibility concerns (which mean that this
> can't be done in a language that calls itself "Python"), I'm not seeing
> any reason that a human-friendly language can't spend most of its time
> working with arbitra
On Tue, 19 Sep 2017 17:46:32 +1000, Chris Angelico wrote:
> # Display booleans differently if x is True:
> ... display flag
> else:
> ... display number
>
> which would be better represented with "if isinstance(x, bool):"
Given that True is a singleton, it is redundant to write
if isin
On Tue, 19 Sep 2017 09:22:21 +0200, Antoon Pardon wrote:
> But the problem is that the following two pieces of code don't do the
> same in Python.
>
> if x: pass
> if x is True: pass
>
> Sometimes I need that second statement
"Need" is a funny thing. If all you are doing is testing the truthi
On Tue, Sep 19, 2017 at 7:21 PM, Antoon Pardon wrote:
> Op 19-09-17 om 09:46 schreef Chris Angelico:
>> On Tue, Sep 19, 2017 at 5:22 PM, Antoon Pardon wrote:
>>> But the problem is that the following two pieces of code don't do
>>> the same in Python.
>>>
>>> if x: pass
>>> if x is True: pass
>>>
On Tue, 19 Sep 2017 09:10:04 +0200, Antoon Pardon wrote:
> Op 18-09-17 om 15:47 schreef Paul Moore:
>> On 18 September 2017 at 14:30, Antoon Pardon
>> wrote:
>>> Well that you reduce an object to a boolean value is not obvious to
>>> begin with. A TypeError because you are treating a non-boolean
Op 19-09-17 om 09:46 schreef Chris Angelico:
> On Tue, Sep 19, 2017 at 5:22 PM, Antoon Pardon wrote:
>> But the problem is that the following two pieces of code don't do
>> the same in Python.
>>
>> if x: pass
>> if x is True: pass
>>
> ...
>
> which would be better represented with "if isinstance
Op 19-09-17 om 09:40 schreef Chris Angelico:
> On Tue, Sep 19, 2017 at 5:10 PM, Antoon Pardon wrote:
>
>> I don't find it really usefull. How useful is it that you can type
>> if a: instead of if a != 0: ? I have yet to encounter a situation
>> where I thought: Yes I want to execute this piece of
On 19/09/2017 09:05, Stefan Behnel wrote:
The stdlib is there to provide a base level of functionality. That base
level tends to be much higher up than in most other programming languages,
but from the point of view of Python, it's still just a base level, however
comfortable it might be.
If you
John Ladasky schrieb am 19.09.2017 um 08:54:
> I have come to understand from your other posts that adding something to
> the stdlib imposes significant constraints on the release schedules of
> those modules. I can appreciate the hassle that might cause. Still,
> now I wonder what I might be mis
On Tue, Sep 19, 2017 at 5:07 PM, Steven D'Aprano
wrote:
> On Tue, 19 Sep 2017 03:23:15 +, Dan Sommers wrote:
>
>> On Tue, 19 Sep 2017 01:56:29 +, Stefan Ram wrote:
>>
>>> Steve D'Aprano writes:
>>
It is true that binary floats have some unexpected properties. They
aren't the real
On Tue, Sep 19, 2017 at 5:22 PM, Antoon Pardon wrote:
> But the problem is that the following two pieces of code don't do
> the same in Python.
>
> if x: pass
> if x is True: pass
>
> Sometimes I need that second statement but I can be sure that
> should I show a piece of code on this mailing list
On Tue, Sep 19, 2017 at 5:10 PM, Antoon Pardon wrote:
> Op 18-09-17 om 15:47 schreef Paul Moore:
>> On 18 September 2017 at 14:30, Antoon Pardon wrote:
>>> Well that you reduce an object to a boolean value is not obvious to
>>> begin with. A TypeError because you are treating a non-boolean as
>>>
Op 18-09-17 om 15:58 schreef Chris Angelico:
> On Mon, Sep 18, 2017 at 11:30 PM, Antoon Pardon wrote:
>
>> Well that you reduce an object to a boolean value is not obvious to
>> begin with. A TypeError because you are treating a non-boolean as
>> a boolean would have been more obvious to me.
> Sur
On Tue, 19 Sep 2017 01:13:23 +0100, MRAB wrote:
> I even have it on a Raspberry Pi. "pip install regex" is all it took. No
> need for it to be in the stdlib. :-)
That's fine for those of us who can run pip and install software from the
web without being immediately fired, and for those who have
On Tue, 19 Sep 2017 03:23:15 +, Dan Sommers wrote:
> On Tue, 19 Sep 2017 01:56:29 +, Stefan Ram wrote:
>
>> Steve D'Aprano writes:
>
>>>It is true that binary floats have some unexpected properties. They
>>>aren't the real numbers that we learn in maths. But most people who
>>>have been
Op 18-09-17 om 15:47 schreef Paul Moore:
> On 18 September 2017 at 14:30, Antoon Pardon wrote:
>> Well that you reduce an object to a boolean value is not obvious to
>> begin with. A TypeError because you are treating a non-boolean as
>> a boolean would have been more obvious to me.
> More obvious
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