From aa201bdd1722ac06fa357eea9c72acc1c8e15f4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Recep=20Kadir=20Alt=C4=B1nta=C5=9F?=
 <126012220+kdraltntas@users.noreply.github.com>
Date: Tue, 24 Mar 2026 01:57:21 +0300
Subject: [PATCH] Implement custom power and equation functions

Adds custom power and equation functions with input validation.
---
 Week04/functions_recepkadir_altintas.py | 33 +++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Week04/functions_recepkadir_altintas.py

diff --git a/Week04/functions_recepkadir_altintas.py b/Week04/functions_recepkadir_altintas.py
new file mode 100644
index 00000000..d533fcef
--- /dev/null
+++ b/Week04/functions_recepkadir_altintas.py
@@ -0,0 +1,33 @@
+custom_power = lambda x=0, /, e=1: x**e
+
+
+def custom_equation(x: int = 0, y: int = 0, /, a: int = 1, b: int = 1, *, c: int = 1) -> float:
+    """
+    Calculates the mathematical equation.
+
+    :param x: The first base value.
+    :param y: The second base value.
+    :param a: The exponent for x.
+    :param b: The exponent for y.
+    :param c: The divisor.
+    :return: The result of the equation.
+    """
+
+    if not all(isinstance(arg, int) for arg in (x, y, a, b, c)):
+        raise TypeError("All arguments must be integers.")
+
+    return float((x**a + y**b) / c)
+
+
+def fn_w_counter() -> (int, dict[str, int]):
+    if not hasattr(fn_w_counter, "total_calls"):
+        fn_w_counter.total_calls = 0
+        fn_w_counter.caller_info = {}
+
+    fn_w_counter.total_calls += 1
+
+    caller_name = __name__
+
+    fn_w_counter.caller_info[caller_name] = fn_w_counter.caller_info.get(caller_name, 0) + 1
+
+    return fn_w_counter.total_calls, fn_w_counter.caller_info.copy()