# 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 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]# Program to double each item in a list using map()
my_list = [1, 5, 4, 6, 8, 11, 3, 12]
new_list = list(map(lambda x: x * 2 , my_list))
print(new_list)#The map function is used to do a certain function to a certain iterable
#It takes a function and an iterable
numbers = [1,2,3,4,5,6,7,8,9,10]
x = map(lambda nom : nom*nom, numbers)
print(list(x))
#So here my function is the lambda and the iterable is the numbers list
#And with this I apply nom*nom to every item to the list
# if I didn't put the list function before x it would print map object at .....lista = [1, 2, -3, 4, 5, -9]
def quadrado(n):
return n*n
map(quadrado, lista)
[1, 4, 9, 16, 25, 81]numbers = [1, 2, 3, 4, 5]
def square(num):
return num*num
squares = list(map(square, numbers))
print(squares)
# Output
# [1, 4, 9, 16, 25]