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Functions & basics

Reusable building blocks — parameters, returns, scope, and clear function design.

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Functions & basics easy

How to Use a Lambda Sorting Key in Python

Sort a list of strings by their last letter using a lambda function as the sorting key.

sorting lambda key-function
Python
def get_last_letter(word):
    return word[-1]

words = ["banana", "apple", "cherry", "date", "elderberry"]

if __name__ == "__main__":
    sorted_words = sorted(words, key=get_last_letter)
    print(sorted_words)
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