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Python map() Function

❮ Built-in Functions


Calculate the length of each word in the tuple:

def myfunc(n):
  return len(n)

x = map(myfunc, ('apple', 'banana', 'cherry'))
Try it Yourself »

Definition and Usage

The map() function executes a specified function for each item in an iterable. The item is sent to the function as a parameter.


map(function, iterables)

Parameter Values

Parameter Description
function Required. The function to execute for each item
iterable Required. A sequence, collection or an iterator object. You can send as many iterables as you like, just make sure the function has one parameter for each iterable.

More Examples


Make new fruits by sending two iterable objects into the function:

def myfunc(a, b):
  return a + b

x = map(myfunc, ('apple', 'banana', 'cherry'), ('orange', 'lemon', 'pineapple'))
Try it Yourself »

❮ Built-in Functions