1.
What’s in it for you?
filter() function in Python
map() function in Python
reduce() function in Python

2.
map() function in Python
The map() function takes another function and a sequence of
iterables as parameters and provides output after executing the
function to each item in the sequence
SYNTAX: map(function, iterables)

3.
filter() function in Python
Python filter() function provides filtered elements. This function
also takes another function and a sequence of iterables as
parameters. The filter function returns a sequence for which
function returns True
SYNTAX: filter (function, iterables)

4.
reduce() function in Python
Python reduce() function provides a single value on execution.
This function also takes another function and a sequence of
iterables as parameters. The function tools module must be
used to import this function
SYNTAX: reduce(function, iterables)

5.
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