#!/usr/bin/env python3

print('hello world')

print('hello', 'world')

## use "sep" parameter to change output
print('hello', 'world', sep = '_')


#!/usr/bin/env python3

print('hello world')

print('hello', 'world')

## use "sep" parameter to change output
print('hello', 'world', sep = '_')


#!/usr/bin/env python3 ## use "sep" parameter to change output