from math import sqrt

finished = False

print("Hi, I am Loopy, your personal bot.")

users_name = input("What is your name? ")
print("Hello " + users_name + ", welcome.")

while finished == False:

    command = input("How can I help you? ")

    # Add number 1 to number 2
    if command == "add":
        print("Let's add two numbers")
        number1 = int(input("Number 1 = "))
        number2 = int(input("Number 2 = "))

        total = number1 + number2
        print(str(number1) + " + " + str(number2) + " = " + str(total))

    # Subtract number 2 from number 1
    elif command == "sub":
        print("Let's subtract two numbers")
        number1 = int(input("Number 1 = "))
        number2 = int(input("Number 2 = "))

        total = number1 - number2
        print(str(number1) + " - " + str(number2) + " = " + str(total))

    # Multiply number 1 by number 2
    elif command == "mul":
        print("Let's multiply two numbers")
        number1 = int(input("Number 1 = "))
        number2 = int(input("Number 2 = "))

        total = number1 * number2
        print(str(number1) + " x " + str(number2) + " = " + str(total))

    # Divide number 1 by number 2
    elif command == "div":
        print("Let's divide two numbers")
        number1 = int(input("Number 1 = "))
        number2 = int(input("Number 2 = "))

        total = number1 / number2
        print(str(number1) + " / " + str(number2) + " = " + str(total))

    # Calculate the square root of number 1
    elif command == "square root":
        print("Let's calculate the square root of a number")
        number1 = int(input("Number 1 = "))

        total = sqrt(number1)
        print("The square root of " + str(number1) + " = " + str(total))

    # Calculate the average of a set of numbers
    elif command == "average":
        how_many = int(input("How many numbers? > "))
        number_total = 0
        for number_count in range(how_many):
            number = int(input("Enter number " + str(number_count) + "> "))
            number_total = number_total + number
        average = number_total / how_many
        print("The average = " + str(average))

    # Calculate the total of a set of numbers
    elif command == "total":
        how_many = int(input("How many numbers? > "))
        number_total = 0
        for number_count in range(how_many):
            number = int(input("Enter number " + str(number_count) + "> "))
            number_total = number_total + number
        print("The total = " + str(number_total))

    # Say goodbye
    elif command == "bye":
        finished = True
        print("Goodbye " + users_name + ", glad to have been of help.")


    else:
        print("Invalid command")