使用字符串变量作为变量名 [英] Using a string variable as a variable name

问题描述

<块引用>

可能的重复:
如何在 Python 中实现变量变量?

我有一个分配给它的字符串的变量，我想根据该字符串定义一个新变量.

foo = "bar"foo = "别的东西"#我真正想要的是:bar = "别的东西"

解决方案

您可以使用 exec:

<预><代码>>>>foo = "酒吧">>>exec(foo + " = '别的东西'")>>>打印条别的东西>>>

Possible Duplicate:
How do I do variable variables in Python?

I have a variable with a string assigned to it and I want to define a new variable based on that string.

foo = "bar"
foo = "something else"   

# What I actually want is:

bar = "something else"

解决方案

You can use exec for that:

>>> foo = "bar"
>>> exec(foo + " = 'something else'")
>>> print bar
something else
>>> 

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