text: def clear(self):
      self.clear()
      return self
  
  
  def copy(self):
      return self.copy()
  
  
  def fromkeys(self, iterable, value=None):
      return self.fromkeys(iterable, value)
  
  
  def get(self, key, default=None):
      return self.get(key, default)
  
  
  def items(self):
      return list(self.items())
  
  
  def keys(self):
      return list(self.keys())
  
  
  def pop(self, index):
      return self.pop(index)
  
  
  def popitem(self):
      return self.popitem()
  
  
  def setdefault(self, key, default=None):
      self.setdefault(key, default)
      return self
  
  
  def update(self, e):
      self.update(e)
      return self
  
  
  def values(self):
      return list(self.values())
  