correct

src/lambda_functions/calculator_function/operations/add_operation.py

@@ -1,5 +1,5 @@
 class AddOperation:
     def execute(self, first_number, second_number):
         if first_number is None or second_number is None:
-            raise ValueError("Both numbers are required for this operation.")
+            raise ValueError("Both numbers are required")
         return first_number + second_number

src/lambda_functions/calculator_function/operations/divide_operation.py

@@ -1,7 +1,7 @@
 class DivideOperation:
     def execute(self, first_number, second_number):
         if first_number is None or second_number is None:
-            raise ValueError("Both numbers are required for this operation.")
+            raise ValueError("Both numbers are required")
         if second_number == 0:
             raise ValueError("Division by zero is not allowed")
         return first_number / second_number

src/lambda_functions/calculator_function/operations/multiply_operation.py

@@ -1,5 +1,5 @@
 class MultiplyOperation:
     def execute(self, first_number, second_number):
         if first_number is None or second_number is None:
-            raise ValueError("Both numbers are required for this operation.")
+            raise ValueError("Both numbers are required")
         return first_number * second_number

src/lambda_functions/calculator_function/operations/subtract_operation.py

@@ -1,5 +1,5 @@
 class SubtractOperation:
     def execute(self, first_number, second_number):
         if first_number is None or second_number is None:
-            raise ValueError("Both numbers are required for this operation.")
+            raise ValueError("Both numbers are required")
         return first_number - second_number

src/lambda_functions/calculator_function/test_cases/test_addition.py

@@ -22,7 +22,7 @@ def test_addition_with_missing_second_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_addition_with_missing_first_number():
     event = {
@@ -33,7 +33,7 @@ def test_addition_with_missing_first_number():
 
     result = lambda_handler(event, None)
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_addition_with_missing_both_number():
     event = {
@@ -45,4 +45,4 @@ def test_addition_with_missing_both_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"

src/lambda_functions/calculator_function/test_cases/test_division.py

@@ -36,7 +36,7 @@ def test_divide_with_missing_second_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_divide_with_missing_first_number():
     event = {
@@ -47,7 +47,7 @@ def test_divide_with_missing_first_number():
 
     result = lambda_handler(event, None)
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_divide_with_missing_both_number():
     event = {
@@ -59,4 +59,4 @@ def test_divide_with_missing_both_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"

src/lambda_functions/calculator_function/test_cases/test_multiply.py

@@ -22,7 +22,7 @@ def test_multiply_with_missing_second_number():
 
     result = lambda_handler(event, None)
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_multiply_with_missing_first_number():
     event = {
@@ -34,7 +34,7 @@ def test_multiply_with_missing_first_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_multiply_with_missing_both_number():
     event = {
@@ -46,4 +46,4 @@ def test_multiply_with_missing_both_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"

src/lambda_functions/calculator_function/test_cases/test_subtraction.py

@@ -24,7 +24,7 @@ def test_subtraction_with_missing_second_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_subtraction_with_missing_first_number():
     event = {
@@ -36,7 +36,7 @@ def test_subtraction_with_missing_first_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"
 
 def test_subtraction_with_missing_both_number():
     event = {
@@ -48,4 +48,4 @@ def test_subtraction_with_missing_both_number():
     result = lambda_handler(event, None)
 
     assert result["statusCode"] == 400
-    assert result["body"]["error"] == "Both numbers are required for this operation."
+    assert result["body"]["error"] == "Both numbers are required"