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 vote116 views1 answer
Opencv skip video frames
Python
0 vote110 views1 answer
Django admin.py all fields
Python
0 vote110 views1 answer
Python tf.maximum
Python
0 vote115 views1 answer
Session has key python 3
Python
1 vote103 views2 answers
SSL: CERTIFICATE_VERIFY_FAILED mongo atlas
Python
0 vote138 views1 answer
Python format() function uses.
Python
0 vote115 views1 answer
Generate 50 characters long for django
Python
1 vote112 views1 answer
How to use arjun tool
Python
3 votes115 views1 answer
Load pandas from text
Python
1 vote114 views1 answer
Read image python
Python