Updated Copy or Reference? (rest)
Updated Session 4   Functions and Standard Modules (markdown)
Updated Home (markdown => rest)
Updated Home (rest)
Created Python 1: Shell and variables (markdown)
Changed wording
Changed wording
Updated Home (rest)
Updated Session 4   Functions and Standard Modules (markdown => rest)
Updated Home (rest)
Updated Home (rest)
Updated Python 3:   Lists, Dictionaries, Sets, Tuples  Copy or Reference? (rest)
Updated Home (rest)
Created Python 3: Flow Control (rest)
Updated Home (rest)
Updated Home (rest)
Updated Python 1: Shell and variables (markdown => rest)
Added pwd,cd,ls to shell lecture.
Updated Python 1: shell and variables (rest)
Moved the shell material to the shell page.