def do_calculation1():
    print("lets " + z + " some numbers")
    input1 = input("Number 1> ")
    input2 = input("Number 2> ")
    number1 = int(input1)
    number2 = int(input2)
    if z==('add') or z==('+'):
        result = number1 + number2
        operator='+'
    elif z==('subtract') or z==('-'):
        result = number1 - number2
        operator='-'
    elif z==('multiply') or z==('*'):
        result = number1 * number2
        operator='*'
    elif z==('divide') or z==('/'):
        result = number1 / number2
        operator='/'
    output = str(result)
    print(input1 + operator + input2 + " = " + output)


ask=False #or without it
while ask==False: #or while True:
    z= input('do you want to add, subtract, multiply, divide, find the average or total ? ')
    if z==('add') or z==('+'):
        do_calculation1()
    elif z==('subtract') or z==('-'):
        do_calculation1()
    elif z==('multiply') or z==('*'):
        do_calculation1()
    elif z==('divide') or z==('/'):
        do_calculation1()
    elif z==('average') or z==('total'):
        how=input("how many numbers? ")
        how=int(how)
        total=0
        for count in range(how):
            number=input('enter number '+ str(count)+ ': ')
            number=int(number)
            total=total+number
        if z==('total'):
           print('Total=', total)
        elif z==('average'):
            r=total/how
            print('Average=', total, '÷', how, '=', r)
    elif z=='bye':
        ask=True #or break
    else: print('not identified')
    print('done!')
print('** see you later **')