How to output an index while iterating over an array in python

2018-06-07 21:12:52

This question already has an answer here:

Accessing the index in 'for' loops? 17 answers

喜欢这个：

for index, g in enumerate(games[0:4]):
    g.output(index)

使用内置的enumerate方法：

for i,a in enumerate(['cat', 'dog']):
   print '%s is %d' % (a, i)

# output:
# cat is 0
# dog is 1

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