From 30c8d5573a8b052210238487167a3ec2d7241d06 Mon Sep 17 00:00:00 2001
From: rtang09 <49603415+rtang09@users.noreply.github.com>
Date: Thu, 19 Oct 2023 05:15:23 -0700
Subject: [PATCH] Update binary_exponentiation.py (#10253)

* Update binary_exponentiation.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 maths/binary_exponentiation.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/maths/binary_exponentiation.py b/maths/binary_exponentiation.py
index 05de939d..7eeca892 100644
--- a/maths/binary_exponentiation.py
+++ b/maths/binary_exponentiation.py
@@ -5,6 +5,12 @@
 
 
 def binary_exponentiation(a: int, n: int) -> int:
+    """
+    >>> binary_exponentiation(3, 5)
+    243
+    >>> binary_exponentiation(10, 3)
+    1000
+    """
     if n == 0:
         return 1
 
@@ -17,6 +23,10 @@ def binary_exponentiation(a: int, n: int) -> int:
 
 
 if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()
+
     try:
         BASE = int(input("Enter Base : ").strip())
         POWER = int(input("Enter Power : ").strip())