main.py

print()
print("Welcome to the Simple Calculator!")
print("=================================")
print()

#Loop so user can do as many calcualtions as needed
while True: 
    #Get input from user
    num1 = float(input("Enter your first value: "))
    num2 = float(input("Enter your second value: "))

    #Let user pick operation
    print()
    print("OPERATIONS AVAILABLE")
    print("=================================")
    print()
    print("1. Addition")
    print("2. Subtraction")
    print("3. Multiplication")
    print("4. Division")
    print("5. Modulo")
    print()
    option = int(input("Enter the value that corresponds to the operation you would like to complete: "))

    if option == 1:
        sum = num1 + num2
        print(f"The sum of {num1} and {num2} is {sum}.")

    elif option == 2:
        difference = num1 - num2
        print(f"The difference between {num1} and {num2} is {difference}.")

    elif option == 3:
        product = num1 * num2
        print(f"The product of {num1} and {num2} is {product}")

    elif option == 4:
        quotient = num1 / num2
        print(f"The quotient of {num1} and {num2} is {quotient}.")

    elif option == 5:
        remainder = num1 % num2
        print(f"The remainder given when dividing {num1} and {num2} is {remainder}.")

    else:
        print()
        print("ERROR: Please enter a valid number.")

    #Check to see if user wants to keep calculating
    print()
    choice = input("Would you like to do another calculation? Enter yes or no: ").strip().lower()
    print()
    print("=================================")
    if choice == 'yes' or choice == 'y':
        print()
        print("Starting a new calculation...")
        print()

    else:
        print()
        print("THANK YOU FOR USING SIMPLE CALCULATOR!")
        print()
        break