Bot program to count the products bought in the supermarket, with total sum.

def supermarket():
  total_sum = 0
  while True:
    product_name = input('please input product name')
    product_price = input('please input product price')
    if product_name == 'q':
      break
    total_sum += int(product_price)
  print('the total sum is', total_sum)