Use enumerate to get the index with the element as you iterate: ... The fastest way to access indexes of list within loop in Python 3.7 is to use the ... ... <看更多>

A Python list can be used to represent such a group of numbers in a program. With a variable that refers to the list, we can work with the whole group at ... ... <看更多>

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array or list s implement it and will behave like you expected. So it's not a matter of copy or no-copy when iterating (normally it doesn't do ... ... <看更多>