ambiguity, Formal and Natural Languages
anagram, Exercises
anagram set, Exercises, Exercises
analysis of algorithms, Analysis of Algorithms, Glossary
analysis of primitives, Analysis of Basic Python Operations
and operator, Logical Operators
any, any and all
append method, List Methods, List Arguments, Exercises, Decks, Add, Remove,
Shuffle and Sort
arc function, Exercises
Archimedian spiral, Exercises
argument, Function Calls, Adding New Functions, Parameters and Arguments,
Parameters and Arguments, Glossary, List Arguments
gather, Variable-Length Argument Tupleskeyword, Generalization, Glossary, Gathering Keyword Argslist, List Argumentsoptional, String Methods, Glossary, Exercises, Lists and Strings, Reverse Lookup,
Conditional Expressionspositional, Another Example, Glossary, Gathering Keyword Argsvariable-length tuple, Variable-Length Argument Tuplesargument scatter, Variable-Length Argument Tuples
arithmetic operator, Arithmetic Operators
assert statement, Debugging, Glossary
assignment, Glossary, Reassignment, A List Is a Sequence