Python map() function

Python map() function

The map() function in Python returns an iterator that applies a function to every item of iterable, yielding the results.

Syntax

map(function, iterable, ...)

Parameter

function: It is a required parameter that represents the function to execute for each item.

iterable: This parameter represents a sequence, collection, or an iterator object.

Return

This function returns an iterator that applies a function to every item of iterable, yielding the results. 

Example 1

# Python program explaining
# the map() function
def Week(val):
  return len(val)
str = map(Week, ('Monday', 'Tuesday', 'Wednesday'))
print(str)
#converting the map into a list
print(list(str))

Output

<map object at 0x7fe31f1b5668>
[5, 6, 6]