Why won't my python code print anything?

Question

A program I wrote wasn\'t printing anything when I executed it out of the terminal, so I tried the ran the following code

import sys

#!/usr/bin/python

def          


        

Answer 1

Python does not automatically call main() (and you'll need to use the sys library to get argv).

#!/usr/bin/python

import sys

def main():
    print  "hell0\n"

main()