Functional Programming HOWTO — Python 3.13.3 documentation
Functional programming decomposes a problem into a set of functions. Ideally, functions only take inputs and produce outputs, and don’t have any internal state that affects the output produced for a given input.
Functional Programming Modules — Python 3.13.3 documentation
1 day ago · The modules described in this chapter provide functions and classes that support a functional programming style, and general operations on callables. The following modules are documented in this ch...
operator — Standard operators as functions — Python 3.13.3 …
2 days ago · The operator module exports a set of efficient functions corresponding to the intrinsic operators of Python. For example, operator.add(x, y) is equivalent to the expression x+y. Many function names are those used for special methods, without the double underscores.
Higher-order functions and operations on callable objects - Python
3 days ago · Example of efficiently computing Fibonacci numbers using a cache to implement a dynamic programming technique: @lru_cache ( maxsize = None ) def fib ( n ): if n < 2 : return n return fib ( n - 1 ) + fib ( n - 2 ) >>> [ fib ( n ) for n in range ( 16 )] [ 0 , 1 , 1 , 2 , 3 , 5 , 8 , 13 , 21 , 34 , 55 , 89 , 144 , 233 , 377 , 610 ] >>> fib . cache ...
Guide pratique : programmation fonctionnelle — Documentation …
Jul 2, 2018 · The operator module contains a set of functions corresponding to Python’s operators. Some examples are operator.add(a, b) (adds two values), operator.ne(a, b) (same as a!=b), and operator.attrgetter('id') (returns a callable that fetches the "id" attribute).
Python HOWTOs — Python 3.13.3 documentation
2 days ago · Python HOWTOs are documents that cover a specific topic in-depth. Modeled on the Linux Documentation Project’s HOWTO collection, this collection is an effort to foster documentation that’s more detailed than the Python Library Reference.
Enum HOWTO — Python 3.13.3 documentation
1 day ago · Here are recipes for some different types of enumerations that can be used directly, or as examples for creating one’s own. Omitting values ¶ In many use-cases, one doesn’t care what the actual value of an enumeration is.
6. Expressions — Python 3.11.12 documentation
Mar 11, 2012 · Python supports string and bytes literals and various numeric literals: literal::= stringliteral | bytesliteral | integer | floatnumber | imagnumber. Evaluation of a literal yields an object of the given type (string, bytes, integer, floating point …
Functions creating iterators for efficient looping - Python
2 days ago · This module implements a number of iterator building blocks inspired by constructs from APL, Haskell, and SML. Each has been recast in a form suitable for Python. The module standardizes a core set...
Built-in Functions — Python 3.13.3 documentation
2 days ago · The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order.,,,, Built-in Functions,,, A, abs(), aiter(), all(), a...