docs: def _remove(self, removeList, selfValue):
          '''Remove elements from a list by matching the elements in the other list.
  
          This method only looks inside current instance's value, not recursive.
          There is no need for a recursive one anyway.
          Match by == operation.
  
          Args:
              removeList (list): The list of matching elements.
              selfValue (list): The list you remove value from. Usually ``self.value``
          '''
          for removeValue in removeList:
              print(removeValue, removeList)
              # if removeValue equal to selfValue, remove
              removeEverything(removeValue, selfValue)