# Exercise 10-6 Addition 
# Learning Objective: Use a try catch statement to prevent crash. 

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
    
num1 = input("Enter number to add: ")
num2 = input("Enter a second number to add: ")

print(add_numbers(num1, num2))