https://foxipa.com/en/python/learn/ A practical Python learning path from language fundamentals upward. Hugo en-US https://foxipa.com/en/python/learn/variables/ Mon, 14 Sep 2026 17:00:00 +0000 https://foxipa.com/en/python/learn/variables/ Learn how Python names values and see the program output from an editable example running in your browser. https://foxipa.com/en/python/learn/objects-values-types-and-identity/ Wed, 07 Oct 2026 12:20:00 +0000 https://foxipa.com/en/python/learn/objects-values-types-and-identity/ Build the core Python data-model mental model: every value is an object with a type and identity, and learn how equality, mutability, and hashability fit together. https://foxipa.com/en/python/learn/none/ Thu, 08 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/none/ Understand Python's None value, what NoneType means, how functions produce None, and how to test for the absence of a value. https://foxipa.com/en/python/learn/numbers/ Thu, 15 Oct 2026 15:30:00 +0000 https://foxipa.com/en/python/learn/numbers/ Learn Python's built-in number types, everyday arithmetic, and complex numbers, from division and remainders to exponentiation and rounding. https://foxipa.com/en/python/learn/strings/ Thu, 17 Sep 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/strings/ Learn Python text: quoting, f-strings, indexing and slicing, the methods worth memorizing, and the immutability that explains all the rest. https://foxipa.com/en/python/learn/booleans-and-conditionals/ Thu, 15 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/booleans-and-conditionals/ Learn how Python decides: comparisons, the and/or/not trio, truthiness, and if, elif, and else branches that read like sentences. https://foxipa.com/en/python/learn/lists/ Thu, 17 Sep 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/lists/ Learn the workhorse container: creating lists, indexing and slicing them, growing and shrinking them in place, and reading them with a for loop. https://foxipa.com/en/python/learn/dictionaries/ Thu, 17 Sep 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/dictionaries/ Learn the labeled container: storing values under keys, safe lookup with get, adding and removing entries, and walking keys, values, and pairs. https://foxipa.com/en/python/learn/comprehensions/ Tue, 06 Oct 2026 20:30:00 +0000 https://foxipa.com/en/python/learn/comprehensions/ Learn how list, set, and dictionary comprehensions build collections from iterables with concise, readable expressions. https://foxipa.com/en/python/learn/loops/ Thu, 17 Sep 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/loops/ Learn repetition the Python way: for loops over sequences and range, while loops over conditions, break and continue, and enumerate for the times position matters. https://foxipa.com/en/python/learn/function-parameters/ Tue, 06 Oct 2026 20:45:00 +0000 https://foxipa.com/en/python/learn/function-parameters/ Learn positional-only, keyword-only, variable positional, and variable keyword parameters and how they shape a function calling contract. https://foxipa.com/en/python/learn/lambda-expressions/ Tue, 06 Oct 2026 21:00:00 +0000 https://foxipa.com/en/python/learn/lambda-expressions/ Learn how Python lambda expressions create small anonymous functions, where they fit, and when def is clearer. https://foxipa.com/en/python/learn/decorators/ Thu, 15 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/decorators/ Learn function decorators, wrapper behavior, functools.wraps, decorator factories and application order, plus how class decorators transform class bindings. https://foxipa.com/en/python/learn/structural-pattern-matching/ Thu, 15 Oct 2026 08:30:00 +0000 https://foxipa.com/en/python/learn/structural-pattern-matching/ Learn Python match statements through literal, capture, sequence, mapping, class, value, wildcard, guard, OR, and AS patterns. https://foxipa.com/en/python/learn/annotations/ Fri, 09 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/annotations/ Learn annotation syntax, annotated assignment statements, Python 3.14's deferred annotation model, and the basics of runtime annotation introspection. https://foxipa.com/en/python/learn/conditional-expressions/ Tue, 06 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/conditional-expressions/ Learn how to choose between two values with Python’s conditional expression, while keeping the expression readable and distinct from a full if statement. https://foxipa.com/en/python/learn/context-managers/ Thu, 15 Oct 2026 15:00:00 +0000 https://foxipa.com/en/python/learn/context-managers/ Learn Python context managers, entry and cleanup, exception propagation, multiple resources, and contextlib.suppress(), nullcontext(), and closing(). https://foxipa.com/en/python/learn/assert-statements/ Tue, 06 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/assert-statements/ Learn how Python's assert statement checks assumptions and raises AssertionError when an expected condition is false, including when assert is appropriate and when explicit error handling is required. https://foxipa.com/en/python/learn/assignment-expressions/ Wed, 07 Oct 2026 13:20:00 +0000 https://foxipa.com/en/python/learn/assignment-expressions/ Learn how Python assignment expressions use := to bind a name inside a larger expression, when that improves clarity, and where ordinary assignment is the better choice. https://foxipa.com/en/python/learn/bytes-and-bytearray/ Wed, 07 Oct 2026 12:25:00 +0000 https://foxipa.com/en/python/learn/bytes-and-bytearray/ Learn how Python represents binary data with immutable bytes and mutable bytearray objects, including indexing, slicing, construction, encoding boundaries, and common binary operations. https://foxipa.com/en/python/learn/type-alias-statements/ Tue, 06 Oct 2026 20:00:00 +0000 https://foxipa.com/en/python/learn/type-alias-statements/ Learn Python's type statement for creating type aliases, using aliases in annotations, and understanding their lazy evaluation without confusing them with the type() function. https://foxipa.com/en/python/learn/augmented-assignment/ Wed, 07 Oct 2026 12:40:00 +0000 https://foxipa.com/en/python/learn/augmented-assignment/ Learn how +=, -=, *=, and the other augmented-assignment operators combine an operation with assignment, including their target-evaluation and in-place behavior. https://foxipa.com/en/python/learn/del-statements/ Tue, 06 Oct 2026 21:00:00 +0000 https://foxipa.com/en/python/learn/del-statements/ Learn how Python's del statement removes name bindings, items, slices, and attributes, and why deleting a binding is not the same as destroying an object. https://foxipa.com/en/python/learn/generic-type-parameters/ Tue, 06 Oct 2026 22:50:00 +0000 https://foxipa.com/en/python/learn/generic-type-parameters/ Learn Python type parameter syntax for generic functions, classes, and type aliases, including type-parameter scope, bounds, defaults, and the roles of TypeVarTuple and ParamSpec. https://foxipa.com/en/python/learn/yield-from/ Tue, 06 Oct 2026 22:00:00 +0000 https://foxipa.com/en/python/learn/yield-from/ Learn how Python's yield from delegates iteration to another iterable, how a delegated generator can return a value, and when delegation makes generator code clearer. https://foxipa.com/en/python/learn/argument-unpacking/ Tue, 06 Oct 2026 21:55:00 +0000 https://foxipa.com/en/python/learn/argument-unpacking/ Learn how to unpack iterables and mappings into function calls with * and **, how unpacking differs from collecting arguments, and how Python handles multiple unpackings. https://foxipa.com/en/python/learn/functions/ Thu, 17 Sep 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/functions/ Learn to give code a name: def, parameters and returns, default and keyword arguments, and the scope rules that keep functions honest. https://foxipa.com/en/python/learn/operator-precedence/ Tue, 06 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/operator-precedence/ Learn how Python groups operators and evaluates expressions, so you can read complex expressions confidently and add parentheses when they make the meaning clearer. https://foxipa.com/en/python/learn/special-methods/ Sun, 11 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/special-methods/ Learn how Python classes customize built-in operations with special methods such as __repr__, __str__, __format__, __len__, __bool__, __contains__, __eq__, and __add__. https://foxipa.com/en/python/learn/properties-and-managed-attributes/ Thu, 15 Oct 2026 12:20:00 +0000 https://foxipa.com/en/python/learn/properties-and-managed-attributes/ Learn how Python properties manage attributes and when functools.cached_property is useful for reusable per-instance computed values. https://foxipa.com/en/python/learn/class-and-static-methods/ Wed, 07 Oct 2026 03:00:00 +0000 https://foxipa.com/en/python/learn/class-and-static-methods/ Learn how Python class methods receive the class, how static methods receive no implicit object, and how to choose between method styles. https://foxipa.com/en/python/learn/slots-and-instance-storage/ Wed, 07 Oct 2026 02:30:00 +0000 https://foxipa.com/en/python/learn/slots-and-instance-storage/ Learn how Python __slots__ declares instance attributes, controls dynamic attributes, and changes instance storage. https://foxipa.com/en/python/learn/custom-attribute-access/ Tue, 06 Oct 2026 23:15:00 +0000 https://foxipa.com/en/python/learn/custom-attribute-access/ Learn how Python customizes instance attribute reads, fallback lookup, assignment, and deletion with __getattribute__, __getattr__, __setattr__, and __delattr__. https://foxipa.com/en/python/learn/multiple-inheritance-and-mro/ Wed, 07 Oct 2026 06:30:00 +0000 https://foxipa.com/en/python/learn/multiple-inheritance-and-mro/ Learn how Python combines multiple base classes, resolves inherited attributes with the method resolution order, and uses super() cooperatively across a multiple-inheritance hierarchy. https://foxipa.com/en/python/learn/init-subclass/ Wed, 07 Oct 2026 23:45:00 +0000 https://foxipa.com/en/python/learn/init-subclass/ Learn how Python bases can configure, validate, and register subclasses with __init_subclass__. https://foxipa.com/en/python/learn/descriptors-and-set-name/ Tue, 06 Oct 2026 23:20:00 +0000 https://foxipa.com/en/python/learn/descriptors-and-set-name/ Learn how Python descriptors customize attribute access, assignment, deletion, and class-created attribute metadata. https://foxipa.com/en/python/learn/callable-objects/ Wed, 07 Oct 2026 06:15:00 +0000 https://foxipa.com/en/python/learn/callable-objects/ Learn how Python instances become callable with __call__, including state, arguments, return values, and inheritance. https://foxipa.com/en/python/learn/tuples-and-sets/ Tue, 06 Oct 2026 13:00:00 +0000 https://foxipa.com/en/python/learn/tuples-and-sets/ Learn when to use immutable tuples and unique-value sets, how packing and unpacking work, and how set operations answer membership and collection questions. https://foxipa.com/en/python/learn/custom-subscription/ Thu, 15 Oct 2026 12:00:00 +0000 https://foxipa.com/en/python/learn/custom-subscription/ Learn how Python classes customize square-bracket subscription, item assignment, item deletion, reverse iteration, and formal sequence, set, and mapping interfaces. https://foxipa.com/en/python/learn/range/ Wed, 07 Oct 2026 13:45:00 +0000 https://foxipa.com/en/python/learn/range/ Learn Python's range type: half-open numeric sequences, start/stop/step, negative steps, indexing, slicing, membership, and why ranges do not materialize a list. https://foxipa.com/en/python/learn/class-subscription/ Wed, 07 Oct 2026 09:15:00 +0000 https://foxipa.com/en/python/learn/class-subscription/ Learn how Python classes customize square-bracket subscription with __class_getitem__, including generic-style parameterization and the boundary with instance subscription. https://foxipa.com/en/python/learn/zip/ Wed, 07 Oct 2026 16:50:00 +0000 https://foxipa.com/en/python/learn/zip/ Learn Python's zip function: parallel iteration, shortest-input behavior, strict length checking, multiple iterables, and unzipping paired data. https://foxipa.com/en/python/learn/custom-instance-subclass-checks/ Wed, 07 Oct 2026 05:42:57 +0000 https://foxipa.com/en/python/learn/custom-instance-subclass-checks/ Learn how Python customizes isinstance() and issubclass() through __instancecheck__() and __subclasscheck__() on a metaclass, including virtual relationships and preserving normal inheritance checks. https://foxipa.com/en/python/learn/iterable-unpacking/ Wed, 07 Oct 2026 14:10:00 +0000 https://foxipa.com/en/python/learn/iterable-unpacking/ Learn how Python assigns items from an iterable to multiple targets, including starred targets, nested patterns, and clean value swapping. https://foxipa.com/en/python/learn/map-and-filter/ Wed, 07 Oct 2026 17:00:00 +0000 https://foxipa.com/en/python/learn/map-and-filter/ Learn Python's map and filter built-ins for lazy transformation and selection of iterable values. https://foxipa.com/en/python/learn/sorting-with-sorted/ Wed, 07 Oct 2026 14:20:00 +0000 https://foxipa.com/en/python/learn/sorting-with-sorted/ Learn Python's sorted() function, key functions, reverse ordering, stable sorting, and when to use list.sort() instead. https://foxipa.com/en/python/learn/aggregate-builtins/ Thu, 08 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/aggregate-builtins/ Learn Python built-in aggregation functions for truth checks, extremes, and totals: all(), any(), min(), max(), and sum(). https://foxipa.com/en/python/learn/numeric-builtins/ Thu, 08 Oct 2026 02:55:00 +0000 https://foxipa.com/en/python/learn/numeric-builtins/ Learn three core numeric built-ins: abs() for magnitude, divmod() for quotient and remainder together, and pow() for exponentiation and modular arithmetic. https://foxipa.com/en/python/learn/recursion/ Thu, 08 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/recursion/ Learn how Python functions can call themselves, how base and recursive cases work, how values return through nested calls, and when recursion is a good fit. https://foxipa.com/en/python/learn/format-specification/ Thu, 08 Oct 2026 18:55:00 +0000 https://foxipa.com/en/python/learn/format-specification/ Learn Python format specifications through format(), including width, alignment, fill, numeric precision, and reusable formatting rules without re-teaching f-strings. https://foxipa.com/en/python/learn/modules/ Tue, 06 Oct 2026 14:00:00 +0000 https://foxipa.com/en/python/learn/modules/ Learn how Python splits programs into reusable modules, imports names safely, and uses __name__ and python -m to control how code runs. https://foxipa.com/en/python/learn/exceptions/ Thu, 08 Oct 2026 18:55:00 +0000 https://foxipa.com/en/python/learn/exceptions/ Learn how Python reports runtime failures, handles specific exceptions, performs cleanup, raises errors deliberately, and defines custom exceptions. https://foxipa.com/en/python/learn/packages/ Tue, 06 Oct 2026 16:00:00 +0000 https://foxipa.com/en/python/learn/packages/ Learn how Python organizes related modules into packages, how __init__.py participates in regular packages, and how absolute and relative imports connect modules. https://foxipa.com/en/python/learn/exception-groups-and-except-star/ Thu, 08 Oct 2026 18:55:00 +0000 https://foxipa.com/en/python/learn/exception-groups-and-except-star/ Learn how Python groups independent exceptions and handles matching subgroups with except*. https://foxipa.com/en/python/learn/classes-and-objects/ Tue, 06 Oct 2026 16:28:00 +0000 https://foxipa.com/en/python/learn/classes-and-objects/ Learn how Python classes define objects, instance state, methods, class attributes, inheritance, and basic reuse with super(). https://foxipa.com/en/python/learn/iterators/ Thu, 15 Oct 2026 10:20:00 +0000 https://foxipa.com/en/python/learn/iterators/ Learn how Python iterables and iterators work, how for loops use the iterator protocol, how to build a simple class-based iterator, and how iter(callable, sentinel) reads until a stop value. https://foxipa.com/en/python/learn/scopes-and-namespaces/ Sun, 11 Oct 2026 14:30:00 +0000 https://foxipa.com/en/python/learn/scopes-and-namespaces/ Understand how Python binds names, organizes namespaces, resolves names through nested scopes, and uses global and nonlocal when rebinding is intentional. https://foxipa.com/en/python/learn/generators/ Tue, 06 Oct 2026 18:00:00 +0000 https://foxipa.com/en/python/learn/generators/ Learn how generator functions and generator expressions create iterators, how yield suspends and resumes execution, and when generators are useful. https://foxipa.com/en/python/learn/coroutines-and-async-await/ Thu, 08 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/coroutines-and-async-await/ Understand coroutine functions, coroutine objects, and await, and learn how Python suspends and resumes coroutine execution. https://foxipa.com/en/python/learn/asynchronous-generators/ Thu, 08 Oct 2026 21:10:00 +0000 https://foxipa.com/en/python/learn/asynchronous-generators/ Learn asynchronous generator functions, yield, suspended execution, incremental production, explicit aclose(), and deterministic cleanup with contextlib.aclosing() when iteration ends early. https://foxipa.com/en/python/learn/asynchronous-context-managers/ Fri, 09 Oct 2026 20:30:00 +0000 https://foxipa.com/en/python/learn/asynchronous-context-managers/ Learn async with and asynchronous context managers through __aenter__() and __aexit__(), including awaited entry and exit, cleanup, exception handling, and multiple contexts. https://foxipa.com/en/python/learn/generator-control/ Fri, 09 Oct 2026 21:40:00 +0000 https://foxipa.com/en/python/learn/generator-control/ Learn how send(), throw(), and close() explicitly control a suspended synchronous generator, including sent values, injected exceptions, propagation, and cleanup. https://foxipa.com/en/python/learn/generator-expressions/ Tue, 06 Oct 2026 19:00:00 +0000 https://foxipa.com/en/python/learn/generator-expressions/ Learn how generator expressions create generator iterators, how they differ from comprehensions, and when to use them. https://foxipa.com/en/python/learn/new-and-object-creation/ Fri, 09 Oct 2026 22:30:00 +0000 https://foxipa.com/en/python/learn/new-and-object-creation/ Understand how class calls create instances through __new__ before __init__, and learn why __new__ is especially useful for immutable-type subclasses. https://foxipa.com/en/python/learn/metaclasses-and-class-creation/ Fri, 09 Oct 2026 17:00:00 +0000 https://foxipa.com/en/python/learn/metaclasses-and-class-creation/ Understand how Python creates class objects, how metaclasses control that process, and when simpler class hooks are a better choice. https://foxipa.com/en/python/learn/union-types/ Fri, 09 Oct 2026 08:10:00 +0000 https://foxipa.com/en/python/learn/union-types/ Learn how Python combines types with the | union expression, includes None as an allowed type, simplifies equivalent unions, and uses supported unions in runtime instance and subclass checks. https://foxipa.com/en/python/learn/module-attribute-access/ Fri, 09 Oct 2026 08:45:00 +0000 https://foxipa.com/en/python/learn/module-attribute-access/ Learn how module-level __getattr__ and __dir__ customize missing attribute lookup and module introspection without confusing attribute access with global-name resolution. https://foxipa.com/en/python/learn/dataclasses/ Fri, 09 Oct 2026 10:30:00 +0000 https://foxipa.com/en/python/learn/dataclasses/ Use dataclasses to model records with annotated fields, generated methods, safe mutable defaults, post-initialization checks, and controlled immutability. https://foxipa.com/en/python/learn/enumerations/ Mon, 12 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/enumerations/ Learn how to model a fixed set of named choices with Enum, inspect member names and values, look up and iterate over members, and prevent accidental aliases. https://foxipa.com/en/python/learn/paths-and-pathlib/ Thu, 15 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/paths-and-pathlib/ Learn to build, inspect, search, compare, normalize, expand, split, and convert filesystem paths with pathlib and selected os.path APIs, including directory traversal, path identity, environment-variable expansion, drive/root/tail decomposition, path representations, home expansion, resolution, and relative paths. https://foxipa.com/en/python/learn/file-io/ Tue, 06 Oct 2026 21:00:00 +0000 https://foxipa.com/en/python/learn/file-io/ Learn how to open, read, write, and close files safely with Python file objects. https://foxipa.com/en/python/learn/json/ Tue, 06 Oct 2026 22:00:00 +0000 https://foxipa.com/en/python/learn/json/ Learn how to convert Python data to JSON and back, and how to save structured data in JSON files. https://foxipa.com/en/python/learn/csv/ Tue, 06 Oct 2026 23:00:00 +0000 https://foxipa.com/en/python/learn/csv/ Learn how to read and write tabular CSV data with Python’s csv module. https://foxipa.com/en/python/learn/toml/ Tue, 06 Oct 2026 23:30:00 +0000 https://foxipa.com/en/python/learn/toml/ Learn how to read TOML configuration data with Python's tomllib module. https://foxipa.com/en/python/learn/copying-objects/ Mon, 12 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/copying-objects/ Understand assignment versus copying, shallow and deep copies of nested objects, recursive references, and copy.replace() for supported record-like objects. https://foxipa.com/en/python/learn/deque/ Mon, 12 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/deque/ Use collections.deque for efficient work at both ends, FIFO queues, bounded histories, and rotation without repeating basic list operations. https://foxipa.com/en/python/learn/priority-queues/ Mon, 12 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/priority-queues/ Use the standard heapq module to maintain a min-heap, schedule work by priority, and understand combined push/pop operations. https://foxipa.com/en/python/learn/counter/ Mon, 12 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/counter/ Use collections.Counter to tally items, rank frequent values, update counts, and compare multisets. https://foxipa.com/en/python/learn/defaultdict/ Mon, 12 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/defaultdict/ Use defaultdict factories to group values and initialize missing keys while understanding when lookups do and do not create entries. https://foxipa.com/en/python/learn/dates-and-times/ Mon, 12 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/dates-and-times/ Use Python's datetime types for dates, clock times, durations, parsing, formatting, and timezone-aware values. https://foxipa.com/en/python/learn/itertools/ Thu, 15 Oct 2026 15:00:00 +0000 https://foxipa.com/en/python/learn/itertools/ Learn to chain, limit, batch, compare, accumulate, group consecutive values, and combine iterators with itertools. https://foxipa.com/en/python/learn/logging/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/logging/ Record useful runtime events with named loggers, severity levels, handlers, formatters, and exception details. https://foxipa.com/en/python/learn/warnings/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/warnings/ Warn callers about deprecated or questionable API use, choose warning categories, control filters, and test warning behavior. https://foxipa.com/en/python/learn/regular-expressions/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/regular-expressions/ Learn regular-expression patterns, matching operations, capture groups, substitutions, splitting, flags, and safe limits with Python’s re module. https://foxipa.com/en/python/learn/command-line-arguments/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/command-line-arguments/ Define positional arguments, options, flags, validation, help, and subcommands with Python’s argparse module. https://foxipa.com/en/python/learn/running-external-programs/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/running-external-programs/ Run child processes safely with argument lists, captured streams, exit-code handling, and timeouts using Python's subprocess module. https://foxipa.com/en/python/learn/command-line-streams-and-exit-status/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/command-line-streams-and-exit-status/ Read command-line arguments, handle standard input and output streams, and return meaningful process exit statuses with Python’s sys module. https://foxipa.com/en/python/learn/environment-variables/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/environment-variables/ Read optional and required environment variables, validate string configuration, parse Boolean flags, and handle sensitive settings responsibly. https://foxipa.com/en/python/learn/testing-with-unittest/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/testing-with-unittest/ Write focused unit tests with unittest, choose clear assertions, check expected exceptions, isolate fixtures, and discover tests from the command line. https://foxipa.com/en/python/learn/mocking-with-unittest-mock/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/mocking-with-unittest-mock/ Isolate external collaborators with Mock, side_effect, patch, and autospec while keeping the real behavior under test. https://foxipa.com/en/python/learn/testing-docstrings-with-doctest/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/testing-docstrings-with-doctest/ Turn concise Python docstring and documentation examples into executable checks with doctest, testmod, testfile, expected exceptions, and unittest integration. https://foxipa.com/en/python/learn/testing-asynchronous-code-with-unittest/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/testing-asynchronous-code-with-unittest/ Test coroutine-based Python code using IsolatedAsyncioTestCase, async fixtures, reliable cleanup, and await-aware dependency assertions. https://foxipa.com/en/python/learn/managing-resources-with-exitstack/ Thu, 15 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/managing-resources-with-exitstack/ Manage optional and dynamically selected synchronous or asynchronous resources with ExitStack and AsyncExitStack, cleanup callbacks, acquisition failures, and ownership transfer. https://foxipa.com/en/python/learn/temporary-files-and-directories/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/temporary-files-and-directories/ Create secure scratch files and disposable workspaces with tempfile, choose an appropriate interface, and clean up reliably. https://foxipa.com/en/python/learn/high-level-file-operations-with-shutil/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/high-level-file-operations-with-shutil/ Copy files and directory trees, move and remove paths carefully, inspect disk space, and work with archives using Python’s shutil module. https://foxipa.com/en/python/learn/zip-archives-with-zipfile/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/zip-archives-with-zipfile/ Create, inspect, update, verify, and selectively extract ZIP archives with Python’s standard-library zipfile module. https://foxipa.com/en/python/learn/tar-archives-with-tarfile/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/tar-archives-with-tarfile/ Create, inspect, read, compress, and cautiously extract TAR archives with Python’s standard-library tarfile module. https://foxipa.com/en/python/learn/filename-pattern-matching-with-glob-and-fnmatch/ Tue, 13 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/filename-pattern-matching-with-glob-and-fnmatch/ Learn when to use glob to find pathnames and fnmatch to filter names, including recursive searches, hidden entries, case behavior, and literal wildcard characters. https://foxipa.com/en/python/learn/comparing-files-and-directories-with-filecmp/ Wed, 14 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/comparing-files-and-directories-with-filecmp/ Compare file contents and directory trees with filecmp, understand shallow comparisons and caching, and separate mismatches from comparison errors. https://foxipa.com/en/python/learn/reading-filesystem-metadata-with-os-stat-and-stat/ Wed, 14 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/reading-filesystem-metadata-with-os-stat-and-stat/ Read filesystem metadata safely with os.stat(), pathlib stat methods, stat mode helpers, timestamps, and portable error handling. https://foxipa.com/en/python/learn/efficient-directory-scanning-with-os-scandir/ Wed, 14 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/efficient-directory-scanning-with-os-scandir/ Scan directory entries efficiently with os.scandir() and DirEntry, filter types safely, manage the iterator, and understand metadata caching and errors. https://foxipa.com/en/python/learn/bisect/ Thu, 15 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/bisect/ Find insertion boundaries in sorted sequences, search safely around duplicates, and insert values or records without re-sorting the whole list. https://foxipa.com/en/python/learn/function-caching-with-functools/ Thu, 15 Oct 2026 00:00:00 +0000 https://foxipa.com/en/python/learn/function-caching-with-functools/ Learn when function-result caching is useful, how functools.cache and lru_cache reuse results, how to inspect or clear a cache, and which functions should not be cached. https://foxipa.com/en/python/learn/partial-function-application/ Thu, 15 Oct 2026 09:10:00 +0000 https://foxipa.com/en/python/learn/partial-function-application/ Learn how functools.partial configures callable arguments and how functools.partialmethod creates method variants while preserving instance binding.