python中遍历

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enumberate()

#!/usr/bin/python
values={'name':'cola','age':18}
for i,chr in enumerate(values):
        print(i,chr)
        '''
        display:
                0 age
                1 name
        '''
chars=['a','b','c']
for i,char in enumerate(chars):
        print(i,char)
        '''
        display:
        0 a
        1 b
        2 c
        '''
truples=('a','b','c')
for i,char in enumerate(chars):
        print(i,char)
        '''
        display:
        0 a
        1 b
        2 c
        '''