GCK/add_subtract_multiply_average Test

print("Hello Im gigi your bot")
print("let's get started for more practice")
print("How can I help you?, Would you like to make an operation?")
operation=input("Answer: type  Y or YES for YES and type N or NO for NO? >")

if operation=="NO" or operation=="N":
    print("Bye Bye")
elif operation=="YES" or operation=="Y":
    answer=input("Do you want to : > ( substract, add, multiply or average) ?>")
    if answer=="substract" or answer=="add" or answer=="multiply":
        input1=input("enter number 1>")
        input2=input("Enter number2>")
        number1=int(input1)
        number2=int(input2)
        print("lets "+ answer + " your numbers")
        if answer=="substract":
            substraction=number1-number2
            print("Results for "+input1+ "-"+input2 + "= "+ str(substraction))
        elif answer=="add":
            addition=number1+number2
            print("Result for "+input1+ "+"+input2 + "= "+str(addition))
        elif answer=="multiply":
            multiplication=(number1)*(number2)
            print("Results for "+input1+ "*"+input2 + "= "+str(multiplication))
    elif answer=="average":
        how_many=int(input("How many numbers>"))
        total=0
        Average=0
        for number_count in range(how_many):
            number=input("Enter number "+ str(number_count)+ ":>)")
            total=total+ int(number)
        Average=total/how_many
        print("The average of "+ str(total)+ " by " + str(how_many) + "= "+str(Average))
    else:
        print("Try again. I don't understand")
else:
    print("I dont understand '"+ operation + " )'")