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 …

2 days 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 …

1 day 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 . …

2 days ago · When func is a descriptor (such as a normal Python function, classmethod(), staticmethod(), abstractmethod() or another instance of partialmethod), calls to __get__ are …

1 day ago · map (function, iterable, * iterables) ¶ Return an iterator that applies function to every item of iterable , yielding the results. If additional iterables arguments are passed, function …

This document is for an old version of Python that is no longer supported. You should upgrade and read the Python documentation for the current stable release.

1 day ago · The recipes also show patterns for using itertools with the operator and collections modules as well as with the built-in itertools such as map(), filter(), reversed(), and …

1 day ago · Functional API¶ The Enum class is callable, providing the following functional API: >>>

1 day ago · The Python Language Reference¶ This reference manual describes the syntax and “core semantics” of the language. It is terse, but attempts to be exact and complete. The …

1 day ago · Python also includes a data type for sets. A set is an unordered collection with no duplicate elements. Basic uses include membership testing and eliminating duplicate entries. …