diff --git a/Week04/functions_ibrahim_as.py b/Week04/functions_ibrahim_as.py
new file mode 100644
index 00000000..68ed21cf
--- /dev/null
+++ b/Week04/functions_ibrahim_as.py
@@ -0,0 +1,22 @@
+import inspect
+
+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:
+    return (x ** a + y ** b) / c
+
+
+def fn_w_counter() -> tuple[int, dict[str, int]]:
+
+    # Get the caller's module name
+    frame = inspect.stack()[1]
+    caller_name = frame[0].f_globals.get("__name__", "__unknown__")
+
+    # Update call counts
+    fn_w_counter._total += 1
+    fn_w_counter._callers[caller_name] = fn_w_counter._callers.get(caller_name, 0) + 1
+
+    return (fn_w_counter._total, dict(fn_w_counter._callers))
+
+fn_w_counter._total = 0
+fn_w_counter._callers = {}