Add Week 4 HW

Added custom_power lambda and custom_equation function for calculations. Implemented fn_w_counter to track function calls.

Author: sedat000

Week04/functions_sedat_celik.py

@@ -0,0 +1,36 @@
+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 and returns the custom equation
+    
+    :param x: first positional-only base value, default is 0
+    :type x: int
+    :param y: second positional-only value, default is 0
+    :type y: int
+    :param a: exponent of x, default is 1
+    :type a: int
+    :param b: exponent of y, default is 1
+    :type b: int
+    :param c: keyword-only divisor value, default is 1
+    :type c: int
+    :return: the calculated result of the equation (x**a + y**b) / c
+    :rtype: float 
+    """
+
+    return float((x**a + y**b) / c)
+
+
+def fn_w_counter() -> tuple[int, dict[str, int]]:
+    if not hasattr(fn_w_counter, "total_calls"):
+        fn_w_counter.total_calls = 0
+        fn_w_counter.caller_counts = {}
+
+    caller = __name__
+
+    fn_w_counter.total_calls += 1
+    fn_w_counter.caller_counts[caller] = (
+        fn_w_counter.caller_counts.get(caller, 0) + 1
+    )
+
+    return fn_w_counter.total_calls, dict(fn_w_counter.caller_counts)