Completed 10-7 Addition Calculator

Chapter_10/10-07_addition_calculator.py

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+# Exercise 10-7 Addition Calculator 
+# Learning Objective: Prevent crashes using try except in a while loop. 
+
+print("Welcome, please remember to press n to quit")
+
+active = True
+
+def add_numbers(num1, num2):
+    try:
+        answer = int(num1) + int(num2)
+    except ValueError:
+        error_message = "Input must be an integer, try again.\n"
+        return error_message
+    else:
+        return answer
+while active == True:
+    num1 = input("Enter number to add: ")
+    num2 = input("Enter a second number to add: ")
+    print(add_numbers(num1, num2))
+    try:
+        question = input("Continue? ")
+        if question.lower() == 'n' or question.lower() == 'no': 
+            active = False
+    except:
+        print("Not a valid input.")
+        pass         
+    
+