[:n] in python map code example

Example 1: map in python 3

map(function, iterable, ...)

Example 2: pyhton map

def calculateSquare(n):
    return n*n


numbers = (1, 2, 3, 4)
result = map(calculateSquare, numbers)
print(result)

# converting map object to set
numbersSquare = list(result)
print(numbersSquare)