Course of python developer in 2020 (Functional programming)

Map() Filter() Zip() Reduce()

Map()

Refer to #136

name_1=[List of number]

def action(x):

return function of the action(say, x*2)

Print (list(map(action, list of number)))

print(name_1)

--------------------------------------------------------------------------

 Filter()

Refer to #137

name_1=[List of number]

def condition(x):

return function of the condition (say, x%2!=0)

Print (list(filter(condition, list of number)))

print(name_1)

--------------------------------------------------------------------------

Zip()

Refer to #138

List_1=[x, y, z]

List_2=(a,b,c)

List_3=(A,B,C)

print(list(zip(List_1, List_2, List,3)

--------------------------------------------------------------------------

Reduce()

Refer to #139

from functools import reduce  

List_1=[List of number]

def action_name(a,b):

    return function

Print(reduce(action_name, List_1, Start number))

Example: