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python 中enumerate的用法

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