command line variables python code example

Example 1: pass argument to a py file

import sys

def hello(a,b):
    print "hello and that's your sum:", a + b

if __name__ == "__main__":
    a = int(sys.argv[1])
    b = int(sys.argv[2])
    hello(a, b)
# If you type : py main.py 1 5
# It should give you "hello and that's your sum:6"

Example 2: python command line argument list try

1 # argv.py
 2 import sys
 3 
 4 print(f"Name of the script      : {sys.argv[0]=}")
 5 print(f"Arguments of the script : {sys.argv[1:]=}")