Question on for loop

[Peter Otten]

subhabangalore at 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