Lecture 4: Machine Interpretation of a Program
Oct 29, 2012 2246 views 
This lecture introduces the notion of decomposition and abstraction by specification. It also covers Python modules, functions, parameters, and scoping. Finally, it uses the Python assert statement and type 'str'. Topics covered: Decomposition, module, function, abstraction, formal parameter, actual parameter, argument, assert, scope, mapping, stack, last in first out, LIFO, strings, slicing.