maths.combinations
==================

.. py:module:: maths.combinations

.. autoapi-nested-parse::

   https://en.wikipedia.org/wiki/Combination



Functions
---------

.. autoapisummary::

   maths.combinations.combinations


Module Contents
---------------

.. py:function:: combinations(n: int, k: int) -> int

   Returns the number of different combinations of k length which can
   be made from n values, where n >= k.

   Examples:
   >>> combinations(10,5)
   252

   >>> combinations(6,3)
   20

   >>> combinations(20,5)
   15504

   >>> combinations(52, 5)
   2598960

   >>> combinations(0, 0)
   1

   >>> combinations(-4, -5)
   ...
   Traceback (most recent call last):
   ValueError: Please enter positive integers for n and k where n >= k