If you fail to follow the rules below for homework scripts, you will lose points.

• All scripts must have the hashbang as their first line

  #! /usr/bin/python3
  

• All scripts must have permissions 755
• The filename of all scripts must have a .py extension
• All scripts must have a comment at the top that briefly describes what the script does
• This comment must follow the hashbang line
• Any import statements must follow the script comment
• All scripts must run on the UMB Unix machines without error
• If a script opens a file, it must do so inside a try/except statement
• All variable names must be a good description of the values they contain
• Whenever input is needed from the keyboard, a meaningful prompt must be used
• All functions must have a comment that describes what the function does
• The comment must be on the line directly above the function header with no blank line between them
• The following class methods do not require comments unless they are doing something unusual
  • Constructors
  • Accessors
  • Mutators
  • Magic Methods
• All function definitions must must appear at the top of the script
• The code in the function body must contain no blank lines
• Each function must have a blank line after it
• The code that runs the functions must appear at the bottom of the script after all functions have been defined
• There must be a blank line between the last function and the code that runs the function
• All scripts that take command line arguments must check for the correct number of arguments, and quit after printing a usage message if they do not get the right number of arguments
• For an example of a properly formated script, look here