função map 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))

lista =  [1, 2, -3, 4, 5, -9]
def quadrado(n):
    return n*n
 
map(quadrado, lista)
[1, 4, 9, 16, 25, 81]

def myMapFunc(s):
    return s.upper()
my_str = "welcome to guru99 tutorials!"
updated_list = map(myMapFunc, my_str)
print(updated_list)
for i in updated_list:
    print(i, end="")