Use the list sort() method to sort with a lambda expression in Python. Both list.sort() and sorted() have a key parameter to specify a function to be called on each list element prior to making comparisons.
Example of how to sort with lambda in Python
Simple example code Call list sort with a key set to a lambda expression to sort the elements of a list by the key.
fruits = [("Apples", 5, "20"), ("Pears", 1, "5"), ("Oranges", 6, "10")]
fruits.sort(key=lambda x: x[0])
print(fruits)
Output:

Do comment if you have any doubts or suggestions on this Python list topic.
Note: IDE: PyCharm 2021.3.3 (Community Edition)
Windows 10
Python 3.10.1
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.

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