working with contents writing to by appending empty files multiple lines flags floats - foods py - for loops - functions arguments - arbitrary - avoiding errors with - keyword - lists as - optional - order of positional arguments - built-in calling - multiple times - defining dictionariesreturning - import statements lists in modifying - preventing modifying - modulesstoring in - see also modules parametersdefault values for passing information to return values - styling games see alien invasion projectpygame geany - commenting out blocks customizing settings indenting and unindenting blocks installing on linux on windows - running python programs get-pip py see also pip get requests git - branches commits checking out previous making detached head files adding ignoring head installing logchecking projects checking status of making repositories deleting initializing reverting changes - github see also git greater than (>) greater than or equal to (>=) greeter py - - greet_users py gunicorn - hacker news hash mark (#)for comments headof an html file head (git) hello world hello_world py - heroku see also djangolearning log project bash databases migrating setting up using postgres index