map function in python
# Python program to demonstrate working
# of map.
# Return double of n
def addition(n):
return n + n
# We double all numbers using map()
numbers = (1, 2, 3, 4)
result = map(addition, numbers)
print(list(result))Python Map function
# Let's define general python function
>>> def doubleOrNothing(num):
... return num * 2
# now use Map on it.
>>> map(doubleOrNothing, [1,2,3,4,5])
<map object at 0x7ff5b2bc7d00>
# apply built-in list method on Map Object
>>> list(map(doubleOrNothing, [1,2,3,4,5])
[2, 4, 6, 8, 10]
# using lambda function
>>> list(map(lambda x: x*2, [1,2,3,4,5]))
[2, 4, 6, 8, 10]map in python
# Python program to demonstrate working
# of map.
# Return double of n
def addition(n):
return n + n
# We double all numbers using map()
numbers = (1, 2, 3, 4)
result = map(addition, numbers)
print(list(result))
# result [2, 4, 6, 8]use of map in python
>>> numbers = [1, 2, 3, 4, 5]
>>> squared = []
>>> for num in numbers:
... squared.append(num ** 2)
...
>>> squared
[1, 4, 9, 16, 25]Copyright © 2021 Codeinu
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