text: """Land units classes"""
  from iunit import IUnit
  
  
  class LandUnit(IUnit):
      """Land unit base class"""
      @staticmethod
      def move():
          print("land unit movement")
  
      @staticmethod
      def attack():
          print("land unit attack")
  
  
  class Marine(LandUnit):
      """Marine unit class"""
      def __init__(self):
          """Marine constructor"""
          self.name = "MARINE"
          self.hp = 30
          self.dmg = 5
          self.range = 7
  
  
  class Firebat(LandUnit):
      """Firebat unit class"""
  
      def __init__(self):
          """Firebat constructor"""
          self.name = "FIREBAT"
          self.hp = 40
          self.dmg = 8
          self.range = 3
  