Implement custom power and equation functions

Added custom_power function and custom_equation for calculations.

Author: bugraozturk012

Week04/functions_bugra_ozturk.py

@@ -0,0 +1,27 @@
+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 of the equation (x**a + y**b) / c.
+
+    :param x: First base, positional-only
+    :param y: Second base, positional-only
+    :param a: Exponent of x
+    :param b: Exponent of y
+    :param c: Divisor, keyword-only
+    :return: Result of (x**a + y**b) / c as a float
+    """
+    for name, value in (("x", x), ("y", y), ("a", a), ("b", b), ("c", c)):
+        if not isinstance(value, int):
+            raise TypeError(f"{name} must be an integer")
+    return (x ** a + y ** b) / c
+
+
+def fn_w_counter() -> (int, dict[str, int]):
+    if not hasattr(fn_w_counter, "total"):
+        fn_w_counter.total = 0
+        fn_w_counter.callers = {}
+    fn_w_counter.total += 1
+    fn_w_counter.callers[__name__] = fn_w_counter.callers.get(__name__, 0) + 1
+    return fn_w_counter.total, fn_w_counter.callers