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Python | enumerate method

schedule Aug 10, 2023
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Python's enumerate(~) method returns an enumerate object. An enumerate object simply consists of tuples of the count and its corresponding element in the iterable.

Parameters

1. iterable | iterable

The iterable object for which we should retrieve a count of elements for.

2. startlink | integer | optional

To number to start counting from. Defaults to 0.

Return value

An enumerate object consisting of tuples of the count and its corresponding element in the iterable.

Examples

Basic usage

To create an indexed list of alphabet letters:

alphabet = ['a','b','c','d']
indexed_alphabet = enumerate(alphabet)
indexed_alphabet_list = list(indexed_alphabet)
print(indexed_alphabet_list)
[(0, 'a'), (1, 'b'), (2, 'c'), (3, 'd')]

Notice how the returned enumerate object consists of tuples of the count and corresponding alphabet letter in the iterable.

Start

To specify start of 2:

alphabet = ['a','b','c','d']
indexed_alphabet = enumerate(alphabet, start=2)
indexed_alphabet_list = list(indexed_alphabet)
print(indexed_alphabet_list)
[(2, 'a'), (3, 'b'), (4, 'c'), (5, 'd')]

Notice how the count of index starts from 2 now and not 0.

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Published by Arthur Yanagisawa
Edited by 0 others
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Official Python Documentation
https://docs.python.org/3/library/functions.html#enumerate
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