Refactor custom_equation and fn_w_counter signatures

Updated function signatures for better clarity and consistency.

Author: meldag006

Week04/functions_melda_gungor.py

@@ -1,6 +1,6 @@
 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:
+def custom_equation(x: int = 0 , y: int = 0 , / , a: int =1 , b: int =1, * , c: int=1) -> float:
     """
     Calculates the custom equation.
     :param x: first base
@@ -14,12 +14,13 @@ def custom_equation(x: int = 0, y: int = 0, /, a: int =1 ,b: int =1,*,c: int=1)
     :param c: divisor
     :type c: int
     :return: the result of (x**a + y**b) / c
-    :rtype: float """
+    :rtype: float 
+    """
 
     return float((x**a + y**b) / c)
 
 
-def fn_w_counter() -> tuple[int , dict[str,int]]:
+def fn_w_counter() -> (int, dict[str,int]):
     if not hasattr(fn_w_counter,"total_count"):
         fn_w_counter.total_count = 0
         fn_w_counter.call_records = {}