Apply Ruff style fixes after renaming parameter

Author: Sean-Randall

maths/special_numbers/kaprekar_number.py

@@ -1,16 +1,16 @@
 import math
 
 
-def is_kaprekar_number(n: int) -> bool:
+def is_kaprekar_number(number: int) -> bool:
     """
     Determine whether a number is a Kaprekar number (excluding powers of 10).
 
-    A Kaprekar number is a positive number n such that:
-    n^2 = q * 10^m + r, for some m >= 1, q >= 0, 0 <= r < 10^m,
-    and n = q + r, with the restriction that n is not a power of 10.
+    A Kaprekar number is a positive number such that:
+    number^2 = q * 10^m + r, for some m >= 1, q >= 0, 0 <= r < 10^m,
+    and number = q + r, with the restriction that it is not a power of 10.
 
     Args:
-        n (int): The number to check.
+        number (int): The number to check.
 
     Returns:
         bool: True if it's a Kaprekar number, else False.
@@ -25,14 +25,14 @@ def is_kaprekar_number(n: int) -> bool:
         >>> is_kaprekar_number(1)
         True
     """
-    if n == 1:
+    if number == 1:
         return True
-    if n <= 0 or math.log10(n).is_integer():
+    if number <= 0 or math.log10(number).is_integer():
         return False  # Disallow powers of 10 (e.g., 10, 100, 1000)
 
-    square = str(n**2)
+    square = str(number ** 2)
     for i in range(1, len(square)):
         left, right = square[:i], square[i:]
-        if n == int(left or "0") + int(right):
+        if number == int(left or "0") + int(right):
             return True
     return False