how to type sudo password when using subprocess.call?

Question

i defined a function that switch my proxy settings every now and then, problem is that i want it to run in a loop without manual intervention. But when i execute the program

Answer 1

Here you can execute a command sudo without interactive prompt asking you to type your password :

from subprocess import call    

pwd='my password'
cmd='ls'

call('echo {} | sudo -S {}'.format(pwd, cmd), shell=True)