The enumerate() function in Python is used to loop over an iterable object (such as a list, tuple, or string) and keep track of the index of the current item being processed. It returns a new iterable object, which generates pairs of the form (index, item), where index is the position of the item in the original iterable.
The purpose of the enumerate() function is to simplify the code for iterating over an iterable and accessing both the index and the corresponding item. Instead of writing code like this:
my_list = ['apple', 'banana', 'orange'] for i in range(len(my_list)): print(i, my_list[i])
You can use enumerate() to achieve the same result more concisely:
my_list = ['apple', 'banana', 'orange'] for i, item in enumerate(my_list): print(i, item)
This results in the same output as the previous example:
0 apple 1 banana 2 orange
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