Module Hierarchy

basics.containers: The following are all instances of container types.
basics.dictionaries: Dictionaries store mappings between many kinds of data types.
basics.exec_eval: A function definition using "def <funcname> (<param1>,...): <body>" is a statement, not an expression.
basics.lists: Python uses square brackets to enclose lists.
basics.mutability: Tuples differ from lists in not being MUTABLE:
basics.permute
basics.statement: Python makes a distinction between statements and expressions, though many things are both.
basics.strings: Many operations on Python strings use the same syntax and operators as lists.
basics.tuples: Python uses parentheses to enclose tuples.