Python的内置函数
In : l = ['x','y','z']In : el = enumerate(l)
In : for i in el:
...: print(i)
...:
(0, 'x')
(1, 'y')
(2, 'z')
In : for i in enumerate(l,1):
...:
...: print(i)
...:
(1, 'x')
(2, 'y')
(3, 'z')
In : for i,item in enumerate(l,1):
...:
...: print(i,item)
...:
...:
1 x
2 y
3 z
页:
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