Store result from exposed function prior to returing

Author: sreea05

python/src/core_lib/math.py

@@ -11,7 +11,8 @@ def add(a: float, b: float) -> float:
     Returns:
         The sum of a and b.
     """
-    return _math.add(a, b)
+    result: float = _math.add(a, b)
+    return result
 
 
 def subtract(a: float, b: float) -> float:
@@ -24,7 +25,8 @@ def subtract(a: float, b: float) -> float:
     Returns:
         The result of a minus b.
     """
-    return _math.subtract(a, b)
+    result: float = _math.subtract(a, b)
+    return result
 
 
 def multiply(a: float, b: float) -> float:
@@ -37,7 +39,8 @@ def multiply(a: float, b: float) -> float:
     Returns:
         The product of a and b.
     """
-    return _math.multiply(a, b)
+    result: float = _math.multiply(a, b)
+    return result
 
 
 def divide(a: float, b: float) -> float:
@@ -53,4 +56,5 @@ def divide(a: float, b: float) -> float:
     Raises:
         ZeroDivisionError: If b is zero.
     """
-    return _math.divide(a, b)
+    result: float = _math.divide(a, b)
+    return result