How to get list index and element simultaneously in Python?
This question already has an answer here:
You can use enumerate :
for k,i in enumerate(mylist):
#do something with index k
#do something with element i
More information about looping techniques.
Edit:
As pointed out in the comments, using other variable names like
for i, item in enumerate(mylist):
makes it easier to read and understand your code in the long run. Normally you should use i , j , k for numbers and meaningful variable names to describe elements of a list.
Ie if you have eg a list of books and iterate over it, then you should name the variable book .
enumerate是答案：
for index, element in enumerate(iterable):
#work with index and element
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