From 69707bf6939d63a93b0d4b278cc367c42a976c6d Mon Sep 17 00:00:00 2001
From: Dwarkadhish Kamthane <72198604+dwarka-9504@users.noreply.github.com>
Date: Mon, 16 Oct 2023 13:51:03 +0530
Subject: [PATCH] Minimization of while loop in Armstrong Numbers (#9976)

* Minimization of while loop in Armstrong Numbers

The while loop is removed and simple length calculation is used so the task of minimization of while loop is achieved

* [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/armstrong_numbers.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/maths/armstrong_numbers.py b/maths/armstrong_numbers.py
index 26709b428..e1c25d467 100644
--- a/maths/armstrong_numbers.py
+++ b/maths/armstrong_numbers.py
@@ -29,9 +29,7 @@ def armstrong_number(n: int) -> bool:
     number_of_digits = 0
     temp = n
     # Calculation of digits of the number
-    while temp > 0:
-        number_of_digits += 1
-        temp //= 10
+    number_of_digits = len(str(n))
     # Dividing number into separate digits and find Armstrong number
     temp = n
     while temp > 0: