Add custom power and equation functions

Week04/functions_turhan_gunduzoglu.py

@@ -0,0 +1,32 @@
+import sys
+
+custom_power = lambda x, /, e=1: x ** e
+
+def custom_equation(x: int = 0, y: int = 0, /, a: int = 1, b: int = 1, *, c: int = 1) -> float:
+    """
+    Compute (x**a + y**b) / c.
+
+    :param x: Base for the first term; positional-only; default 0.
+    :type x: int
+    :param y: Base for the second term; positional-only; default 0.
+    :type y: int
+    :param a: Exponent for x; positional-or-keyword; default 1.
+    :type a: int
+    :param b: Exponent for y; positional-or-keyword; default 1.
+    :type b: int
+    :param c: Divisor; keyword-only; default 1.
+    :type c: int
+    :return: (x**a + y**b) / c
+    :rtype: float
+    """
+    return (x ** a + y ** b) / c
+
+_counter_total = 0
+_counter_callers = {}
+
+def fn_w_counter() -> tuple:
+    global _counter_total, _counter_callers
+    caller = sys._getframe(1).f_globals.get("__name__", "<unknown>")
+    _counter_total += 1
+    _counter_callers[caller] = _counter_callers.get(caller, 0) + 1
+    return (_counter_total, dict(_counter_callers))