class Register:

   def __init__(self):
      self.items = []

   def addItem(self,cost):
      self.items.append(cost)

   def getTotal(self):
      return sum( self.items)

   def printReceipt(self):
      print("Your items cost:")
      for item in self.items:
         print(item)
      print("Your total is:", self.getTotal() )

   def clear(self):
      self.items = []




myReg = Register()
myReg.addItem(1.99)
myReg.addItem(3.99)
myReg.addItem(0.98)
myReg.printReceipt()

myReg.clear()


myReg.addItem(7.99)

print("the new total is:", myReg.getTotal() )