text: from enum import Enum
  
  
  # ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  
  
  class KeyboardSize(Enum):
      """
      KeyboardSize.S100 : a planar ISO model would be inclusive f-row, number-row, arrow keys, pg-up/down group and numpad
      KeyboardSize.S80  : a planar ISO model would be inclusive f-row, number-row, arrow keys, pg-up/down group
      KeyboardSize.S75  : a planar ISO model would be inclusive f-row, number-row, ins/del, home/end, pg-up/down
      KeyboardSize.S65  : a planar ISO model would be inclusive number-row, del, home, pg-up/down
      KeyboardSize.S60  : a planar ISO model would be inclusive number-row
      KeyboardSize.S40  : a planar ISO model would be mainly characters
      """
      S100 = 100
      S80 = 80
      S75 = 75
      S65 = 65
      S60 = 60
      S40 = 40
  