old_contents: """Creates the train class"""
  
  
  class Train:
      """
      Each train in the metro is an instance of the Train class.
      Methods:
      __init__: creates a new train in the station
      """
  
      def __init__(self,):
          #self.numberofcars = numberofcars
          #self.numberofpeopleincar = numberofpeopleincar
          #self.boardrate = boardrate
          #self.arrivaltime = arrivaltime
          #self.dwelltime = dwelltime
          #self.carcapacity = carcapacity
  
new_contents: """Creates the train class"""
  
  
  class Train:
      """
      Each train in the metro is an instance of the Train class.
      Methods:
      __init__: creates a new train in the station
      """
  
      def __init__(self,):
          #self.cars = cars
          #self.population = population
          #self.board_rate = board_rate
          #self.dwell_time = dwell_time
          #self.car_capacity = car_capacity
  
subject: Edit train class parameters