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string to variable name

2 replies on 1 page. Most recent reply: Jun 16, 2009 6:21 AM by Nanjundi T

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Gunnar Hurtig

Posts: 1
Nickname: ghurtig3
Registered: Dec, 2008

string to variable name

Posted: Dec 10, 2008 10:16 PM

How does one convert a string into a variable name?

example

L=['a','b']

How would I then create, say:

a=[]
b=[]

from L?

Seun Osewa

Posts: 2
Nickname: seunosewa
Registered: Jun, 2007

Re: string to variable name

Posted: Mar 20, 2009 1:17 PM


for var in L:
    exec(var+"=[]")

Nanjundi T

Posts: 4
Nickname: nanjundi
Registered: Jun, 2009

Re: string to variable name

Posted: Jun 16, 2009 6:21 AM


>>> class UseSetAttr:
...    def __init__(self):
...       l = ['a', 'b']
...       for var in l:
...          setattr(self, var, [])
...
>>> inst = UseSetAttr()
>>> inst.a
[]
>>> inst.b
[]
>>> #
>>> ###   Or use globals  ###
>>> #
...
>>> l = ['a', 'b']
>>> for var in l:
...    globals()[var] = []
...
>>> a
[]
>>> b
[]

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