Using python. So lost. Help!!

import random class Event Provider: An Event Provider is an abstract class that provides events An event is a string that describes the event de get_next_event (self): (Event Provider) rightarrow None or str Return the next event or None if there are no more events. raise NotImplementedError ('Abstract method') de has next event (self): (Event Provider) rightarrow bool Return True if there is a next event. raise NotImplementedError ('Abstract method ') class EventFile (Event Provider): An Event File is an Event Provider that uses a file as a source for the events that it provides Each event is a line in that file. Your code here class EventUser (Event Provider): An EventUser is an Event Provider that uses interactive input from the user as a source for the events that it provides. Your code here import random class Event Provider: An Event Provider is an abstract class that provides events An event is a string that describes the event de get_next_event (self): (Event Provider) rightarrow None or str Return the next event or None if there are no more events. raise NotImplementedError ('Abstract method') de has next event (self): (Event Provider) rightarrow bool Return True if there is a next event. raise NotImplementedError ('Abstract method ') class EventFile (Event Provider): An Event File is an Event Provider that uses a file as a source for the events that it provides Each event is a line in that file. Your code here class EventUser (Event Provider): An EventUser is an Event Provider that uses interactive input from the user as a source for the events that it provides. Your code here