datetime,   Exercisesdbm,    Databasesos, Filenames   and Pathspickle, Persistence,    Picklingpprint, Debuggingprofile,    Data    Structuresrandom, Exercises,  Random  Numbers,    Add,    Remove, Shuffle and Sortreload, Writing Modules,    I   keep    making  changes and it  makes   no  difference.shelve, Picklingstring, Word    Frequency   Analysisstructshape,    Debuggingtime,   Exercisesmodule object, Math Functions, Writing Modules
module, writing, Writing Modules
modulus operator, Floor Division and Modulus, Glossary
Monty Python and the Holy Grail, Pure Functions
MP3, Exercises
mro method, Debugging
multiline string, docstring, Syntax Errors
multiplicity (in class diagram), Class Diagrams, Glossary
multiset, Counters
mutability, Strings Are Immutable, Lists Are Mutable, List Slices, Aliasing, Global
Variables, Tuples Are Immutable, Sequences of Sequences, Objects Are Mutable