map_filter_reduce.py

#--------------------------MAP------------------------------
# numbers = ["3", "34", "64"]
# numbers = list(map(int, numbers))

# for i in range(len(numbers)):
#     numbers[i] = int(numbers[i])

# numbers[2] = numbers[2] + 1
# print(numbers[2])

# def sq(a):
#     return a*a
#
# num = [2,3,5,6,76,3,3,2]
# square = list(map(sq, num))
# print(square)
# num = [2,3,5,6,76,3,3,2]
# square = list(map(lambda x: x*x, num))
# print(square)


# def square(a):
#     return a*a
#
# def cube(a):
#     return a*a*a

# func = [square, cube]
# num = [2,3,5,6,76,3,3,2]
# for i in range(5):
#     val = list(map(lambda x:x(i), func))
#     print(val)

#--------------------------FILTER------------------------------
# list_1 = [1,2,3,4,5,6,7,8,9]
#
# def is_greater_5(num):
#     return num>5
#
# gr_than_5 = list(filter(is_greater_5, list_1))
# print(gr_than_5)
#--------------------------REDUCE------------------------------
from functools import reduce

list1 = [1,2,3,4,2]
num = reduce(lambda x,y:x*y, list1)
# num = 0
# for i in list1:
#     num = num + i
print(num)