Which is the most efficient way to iterate through a list in python?
list, performance, python
Solution
for item in list:
its obviously the one with fewer function calls.
If you want to get the index of items as you go use enumerate like this
for pos, item in enumerate(collection):
Problem
Say I have a list of items: ``` x = [1, 2, 3, 4, 5] ``` I need to perform some functions for each of these items. In a certain case, I need to return the index of an item. Which is the best and most efficient way? ``` for item in list: .... ``` or ``` for i in range(len(list)): .... ```