How to Convert a Python List of Strings to a List of Integers?

Converting Strings to Integers in a Python List

How can you transform a list of strings that represent integers, such as ['1', '2', '3'], into a corresponding list of integers, such as [1, 2, 3]?

To accomplish this conversion, Python offers a straightforward solution:

Given the list xs = ['1', '2', '3']:

Utilize the map function to apply the int function to each element of xs, creating a new list where each string is replaced by its integer value. The resulting object from map is an iterable; you can call the list function on this iterable to transform it into a formal list.

list(map(int, xs))

This function will output:

[1, 2, 3]

In Python 2, the list function wasn't necessary because map returned a list directly:

map(int, xs)

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