GCK/other function tests_elaborated

def do_calculation_with_2_numbers():
    print("lets "+ answer + " your numbers")
    input1=input("enter number 1>")
    input2=input("Enter number2>")
    number1=int(input1)
    number2=int(input2)
    if answer=="substract":
          result=number1-number2
          operator="-"
    elif answer=="add":
         result=number1+number2
         operator="+"
    elif answer=="multiply":
         result=(number1)*(number2)
         operator="*"
    print("Results for "+input1+ operator +input2 + "= "+str(result))






finished=False
print("Hello Im gigi your bot")
print("let's get started for more practice")
print("How can I help you?")
while finished==False:
    print("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, sum or average) ?>")
        if answer=="substract" or answer=="add" or answer=="multiply":
            do_calculation_with_2_numbers()
        elif answer=="sum" or 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
            if answer=="sum":
                print("Total cost is = " + str(total))
            elif answer=="average":
                print("The average of "+ str(total)+ " by " + str(how_many) + "= "+str(Average))
        else:
            print("Try again. I don't understand")
    elif operation=="bye":
        print("Goodbye!")
        finished=True

    else:
        print("I dont understand '"+ operation + " )'")