diff --git "a/Week04/functions_recepkadir_alt\304\261nta\305\237.py" "b/Week04/functions_recepkadir_alt\304\261nta\305\237.py"
new file mode 100644
index 00000000..b60c3186
--- /dev/null
+++ "b/Week04/functions_recepkadir_alt\304\261nta\305\237.py"
@@ -0,0 +1,22 @@
+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 result.
+
+    :param x: Base number 1
+    :param y: Base number 2
+    :param a: Exponent for x
+    :param b: Exponent for y
+    :param c: Divisor
+    :return: The calculated result as a float
+    """
+    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, "count"):
+        fn_w_counter.count = 0
+    fn_w_counter.count += 1
+    return fn_w_counter.count, {__name__: fn_w_counter.count}