Re: How to change the number into the same expression's string and vice versa?
On 19/01/2015 09:01, contro opinion wrote: In the python3 console: >>> a=18 >>> b='18' >>> str(a) == b True >>> int(b) == a True Now how to change a1,a2,a3 into b1,b2,b3 and vice versa? a1=0xf4 a2=0o36 a3=011 b1='0xf4' b2='0o36' b3='011' Giving a completely different take on previous answers how about. a1, b1 = b1, a1 a2, b2 = b2, a2 a3, b3 = b3, a3 -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence -- https://mail.python.org/mailman/listinfo/python-list
Re: How to change the number into the same expression's string and vice versa?
Jussi Piitulainen wrote:
> Peter Otten writes:
>> >>> "{:o}".format(0xf4)
>> '364'
>> To add a prefix just put it into the format string.
> There's also these (in Python 3.2.3):
>
> >>> hex(0xf4)
> '0xf4'
D'oh!
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Re: How to change the number into the same expression's string and vice versa?
Peter Otten writes:
> contro opinion wrote:
> > Now how to change a1,a2,a3 into b1,b2,b3 and vice versa?
> > a1=0xf4
> > a2=0o36
> > a3=011
> >
> > b1='0xf4'
> > b2='0o36'
> > b3='011'
>
> Python 3.4.0 (default, Apr 11 2014, 13:05:11)
> [GCC 4.8.2] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> >>> "{:o}".format(0xf4)
> '364'
> >>> "{:x}".format(0xf4)
> 'f4'
> >>> "{}".format(0xf4)
> '244'
>
> To add a prefix just put it into the format string.
There's also these (in Python 3.2.3):
>>> hex(0xf4)
'0xf4'
>>> oct(0xf4)
'0o364'
>>> bin(0xf4)
'0b0100'
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Re: How to change the number into the same expression's string and vice versa?
"contro opinion" wrote in message
news:ca+ydq_651x0ndpw1j203wgbedtxy_mw7g0w3vh1woagr1iv...@mail.gmail.com...
> In the python3 console:
>
>>>> a=18
>>>> b='18'
>>>> str(a) == b
>True
>>>> int(b) == a
>True
>
>
> Now how to change a1,a2,a3 into b1,b2,b3 and vice versa?
> a1=0xf4
> a2=0o36
> a3=011
>
> b1='0xf4'
> b2='0o36'
> b3='011'
>
I am no expert, but does this answer your question ?
C:\>python
Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 10:38:22) [MSC v.1600 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> a1 = 0xf4
>>> a1
244
>>> b1 = '0x{:x}'.format(a1)
>>> b1
'0xf4'
>>> int(b1, 16)
244
>>> a2 = 0o36
>>> a2
30
>>> b2 = '0o{:o}'.format(a2)
>>> b2
'0o36'
>>> int(b2, 8)
30
>>> a3 = 011
File "", line 1
a3 = 011
^
SyntaxError: invalid token
>>>
Frank Millman
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Re: How to change the number into the same expression's string and vice versa?
contro opinion wrote:
> In the python3 console:
>
> >>> a=18
> >>> b='18'
> >>> str(a) == b
> True
> >>> int(b) == a
> True
>
>
> Now how to change a1,a2,a3 into b1,b2,b3 and vice versa?
> a1=0xf4
> a2=0o36
> a3=011
>
> b1='0xf4'
> b2='0o36'
> b3='011'
Python 3.4.0 (default, Apr 11 2014, 13:05:11)
[GCC 4.8.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> "{:o}".format(0xf4)
'364'
>>> "{:x}".format(0xf4)
'f4'
>>> "{}".format(0xf4)
'244'
To add a prefix just put it into the format string.
You can specify the base for int() or trigger automatic base recognition by
passing a base of 0:
>>> int("f4", 16)
244
>>> int("0xf4", 0)
244
>>> int("0o36", 0)
30
The classical prefix for base-8 numbers is no longer recognised in Python 3:
>>> int("011", 0)
Traceback (most recent call last):
File "", line 1, in
ValueError: invalid literal for int() with base 0: '011'
>>> int("011")
11
>>> int("011", 8)
9
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How to change the number into the same expression's string and vice versa?
In the python3 console: >>> a=18 >>> b='18' >>> str(a) == b True >>> int(b) == a True Now how to change a1,a2,a3 into b1,b2,b3 and vice versa? a1=0xf4 a2=0o36 a3=011 b1='0xf4' b2='0o36' b3='011' -- https://mail.python.org/mailman/listinfo/python-list
