python-deep-dive

Some examples and code written in python for didactic purpose

Basics Review

• conditional.py : if statement.
• functions.py : basic knoledge about functions.
• while.py : while, break, continue and the try statement.
• for.py : for loop.
• classes.py : basic knoledge about classes.

Variables and Memory

• References.py : variables are memory references.
• ReferenceCounting.py : reference counting.
• GarbageCollection.py : garbage collection.
• DynamicType.py : dynamic typing.
• Re-Assignment.py : variable re-assignment.
• ObjectMutability.py : object mutability.
• FunctionArgMutability.py : function arguments and mutability.
• SharedRefMutability.py : shared references and mutability.
• Equality.py : variable equality ("==" vs "is").
• EverythingObject.py : everything is an object.
• IntegerInterning.py : optimization about integer.
• StringInterning.py : optimization about string.
• Peephole.py : optimization about variables in functions.

Numeric Types

• IntDataTypes.py : integers, data types.
• IntOperations.py : integers, operations.
• IntConstructorsBases.py : integers, constructors and bases.
• Rationals.py : rational numbers.
• FloatInternalRepresentation.py : floats, internal representations.
• FloatEqualityTesting.py : floats, equality testing.
• FloatCoercingToIntegers.py : floats, coercing to integers.
• FloatRounding.py : floats, rounding.
• DecimalCoding.py : decimals.
• DecimalConstructorContext.py : decimals, constructors and contexts.
• DecimalMathOperation.py : decimals, math operations.
• DecimalPerformance.py : decimals, performance considerations.
• Complex.py : complex numbers.
• Boolean.py : booleans.
• BooleanTruthValue.py : booleans, truth values.
• BooleanPrecedenceShortC.py : booleans, precedence and short-circuiting.
• BooleanOperators.py : booleans, boolean operators.
• ComparisonOperators.py : comparison operators.

Function Parameters

• PositionalKeywordArg.py : positional and keyword arguments.
• UnpackingIterables.py : unpacking iterables.
• ExtendedUnpacking.py : extended unpacking.
• UnpackingArguments.py : *args.
• KeywordArguments.py : keyword arguments.
• AllTogether.py : putting it all together.
• ApplicationTimer.py : application timer.
• Beware.py : beware about parameter defaults.

First-Class Function

• Docstrings.py : docstrings and annotations.
• LambdaExpressions.py : lambda expressions.
• LambdaSorting.py : lambdas and sorting.
• FunctionIntrospection.py : function introspection.
• Callables.py : callables.
• MapFilterZip.py : map, filter, zip and list comprehensions.
• ReducingFunctions.py : reducing functions.
• PartialFunctions.py : partial functions.
• OperatorModule.py : the operator module.

Scopes, Closures and Decorators

• GlobalLocalScopes.py : global and local scopes.
• NonlocalScopes.py : nonlocal scopes.
• Closures.py : closures.
• ClosuresApplications.py : closures applications.
• Decorators.py : decorators.
• DecoratorApplicationTiming.py : decorators application (timers).
• DecoratorApplicationLogger.py : decorators application (logger, stacked decorators).
• DecoratorApplicationMemoization.py : decorators application (memoization).
• DecoratorsFactory.py : decorator factory.
• DecoratorClass.py : decorator class.
• DecoratingClasses.py : decorating classes.
• DecoratorApplicationDispatching.py : decorator application (dispatching).

Tuples as Data Structures and Named Tuples

• TuplesDataStructure.py : tuples as data structures.
• NamedTuples.py : named tuples.
• NamedTuplesModifying.py : named tuples modifying and extending.
• NamedTuplesDocstring.py : named tuples docstrings and default values.
• NamedTuplesApplication.py :named tuples application - returning multiple values.
• NamedTuplesDictionaries.py : named tuples application - alternative to dictionaries.

Modules, Packages and Namespaces

• Module.py : what is a module?.
• example1 : import module example 1.
• example2 : import module example 2.
• example3 : import module example 3.
• Imports.py : imports and importlib.
• ImportVariants.py : import variants and misconceptions.
• ReloadingModules.py : reloading modules.
• MainUsage : using main.
• Packages : packages.
• PackagesStructuring : structuring packages.

Extras

• DictionaryOrder.py : dictionary ordering.
• PreservedOrderKwargs.py : preserved order of kwargs and named tuple application.
• f-Strings.py : f-Strings.
• RandomSeeds.py : random seeds.
• RandomChoices.py : random choices.
• RandomSample.py : random samples.
• Timing.py : timing code using timeit.
• NamesBlindly.py : don't use *args and **kwargs names blindly.
• CommandLineArgs : command line arguments.
• SentinelValues.py : sentinel values for parameter defaults.
• Switch.py : simulating a simple switch in Python.