old_contents: """ Exception module : list exceptions that can be called all across the library
  
  """
  
  
  class UnknownLemma(Exception):
      """ Exception raised on unknown lemma """
      
  class InputError(Exception):
      """Improper input from the user"""
  
new_contents: """ Exception module : list exceptions that can be called all across the library
  
  """
  
  
  class UnknownLemma(Exception):
      """ Exception raised on unknown lemma """
      
  
  class InputError(Exception):
      """ Improper input from the user """
  
      
  
subject: Update exceptions.py