Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #36081

Re: Question on for loop

Show all headers | View raw

subhabangalore@gmail.com wrote:

> Dear Group,
> If I take a list like the following:
> 
> fruits = ['banana', 'apple',  'mango']
> for fruit in fruits:
>    print 'Current fruit :', fruit
> 
> Now,
> if I want variables like var1,var2,var3 be assigned to them, we may take,
> var1=banana,
> var2=apple,
> var3=mango
> 
> but can we do something to assign the variables dynamically I was thinking
> of
> var_series=['var1','var2','var3']
> for var in var_series:
>   for fruit in fruits:
>        print var,fruits
> 
> If any one can kindly suggest.

For that problem you need another data structure -- a dictionary:

>>> lookup_fruits = {"var1": "banana", "var2": "apple", "var3": "mango"}
>>> var_series = ["var1", "var2", "var3"]
>>> for var in var_series:
...     print var, lookup_fruits[var]
... 
var1 banana
var2 apple
var3 mango

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Question on for loop subhabangalore@gmail.com - 2013-01-03 12:04 -0800
  Re: Question on for loop MRAB <python@mrabarnett.plus.com> - 2013-01-03 20:21 +0000
  Re: Question on for loop Peter Otten <__peter__@web.de> - 2013-01-03 21:22 +0100
  Re: Question on for loop Matt Jones <matt.walker.jones@gmail.com> - 2013-01-03 14:28 -0600
  Re: Question on for loop Don Ross <donrosszx@gmail.com> - 2013-01-03 15:22 -0800
  Re: Question on for loop alex23 <wuwei23@gmail.com> - 2013-01-03 16:47 -0800
  Re: Question on for loop Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-04 05:48 +0000
    Re: Question on for loop subhabangalore@gmail.com - 2013-01-15 11:30 -0800
  Re: Question on for loop Alister <alister.ware@ntlworld.com> - 2013-01-04 10:16 +0000

csiph-web