python 中enumerate的用法

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In [1]: names=['aa','bb','cc']

In [2]: for temp in names:
   ...:     print(temp)
   ...:     
aa
bb
cc

In [3]: for temp in enumerate(names):
   ...:     print(temp)
   ...:     
(0, 'aa')
(1, 'bb')
(2, 'cc')

拆包：

In [5]: for i, name in enumerate(names):
    print(i,name)
   ...:     
0 aa
1 bb
2 cc