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

25 votes101 views6 answers
Create new python environment
Python
0 vote99 views1 answer
Check processing bar of loop in python
Python
1 vote98 views1 answer
Remove ,drop,effacer, dataframe,python
Python
17 votes100 views2 answers
How to record execution time in python
Python
16 votes120 views6 answers
List.add in python
Python
0 vote99 views1 answer
Add columns not in place
Python
0 vote111 views1 answer
Arch linux python 3.7
Python
0 vote94 views1 answer
Mechanize python XE #27
Python
3 votes102 views2 answers
Getting text input pygame python
Python
14 votes114 views2 answers
Check dictionary is empty or not in python
Python