Guide to Python Dictionary and Dictionary Methods | Built In

What does the filter function do in Python?

Python Dictionary Guide – How to Iterate Over, Copy, and Merge Dictionaries in Python 3.9

The filter() function in Python is used to construct an iterator from elements of an iterable (like lists, tuples, etc.) for which a function returns true. This is useful for filtering out elements based on some criteria. Syntax - > filter(function, iterable) function: A function that tests each element of the iterable and returns True if the element should be included in the result, or False otherwise. iterable: The iterable (e.g., list, tuple, etc.) whose elements are to be filtered. Key Point