Python / Execute bash commands and print output to stdout.

import subprocess

def execute_unix(inputcommand):
    p = subprocess.Popen(inputcommand, stdout=subprocess.PIPE, shell=True)
    (output, err) = p.communicate()
    return output

if __name__ == "__main__":
    print "Welcome to PYSH version 1.0\n"
    loopy = 0
    while loopy == 0:
        inputcommand = str(raw_input('pysh-1.0a$ '))
        if inputcommand == "quit":
            loopy = 1
            continue
        print execute_unix(inputcommand)