Python-使用字符串变量作为变量名

Question

我有一个分配了字符串的变量，我想根据该字符串定义一个新变量。

foo = "bar"
foo = "something else"   

# What I actually want is:

bar = "something else"

Answer 1

你可以使用exec：

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