Map python 3

Python map function

# The map function applies a function to every item in a list,
# and returns a new list.

numbers =  [0, -1, 2, 3, -4]

def square_func(n):
    return n*n
 
new_numbers = list(map(square_func, numbers))
#new_numbers: [0, 1, 4, 9, 16]

Map in 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))
# result [2, 4, 6, 8]

Map python 3

from multiprocessing import Pool

def test( v ):
    print(v)
    return v

if __name__ == '__main__':
    with Pool(2) as p:
        print(p.map(test, range(5)))

Similar codes

0 vote144 views1 answer
Python method to filter vowels in a string
Python
1 vote141 views1 answer
Python check if two lists intersect
Python
17 votes166 views2 answers
Make tkinter button disable
Python
1 vote141 views1 answer
Plot specific columns pandas
Python
0 vote90 views1 answer
Zip used in python stack overflow
Python
112 votes132 views10 answers
December global festivities
Python
-1 vote178 views1 answer
Django filter on related field
Python Django
2 votes175 views2 answers
Mean deviation python
Python
1 vote193 views1 answer
Elif in django template
Python Django
-1 vote181 views1 answer
Cannot import name 'httpresponse' from 'django.http'
Python Django