parameters: (self, depot)
docstring: Zero out the demands and time windows of depot.  The Depots do not have
          demands or time windows so this function clears them.
  
          Args:  depot (int): index of the stop to modify into a depot.
          Examples:  >>> customers.zero_depot_demands(5) >>>
          customers.customers[5].demand == 0 True
docstring_summary: Zero out the demands and time windows of depot.  The Depots do not have
          demands or time windows so this function clears them.
docstring_tokens: Zero out the demands and time windows of depot . The Depots do not have demands or time windows so this function clears them .
function: def zero_depot_demands(self, depot):
          """
          Zero out the demands and time windows of depot.  The Depots do not have
          demands or time windows so this function clears them.
  
          Args:  depot (int): index of the stop to modify into a depot.
          Examples:  >>> customers.zero_depot_demands(5) >>>
          customers.customers[5].demand == 0 True
      """
          start_depot = self.customers[depot]
          self.customers[depot] = start_depot._replace(
              demand=0, tw_open=None, tw_close=None)
function_tokens: def zero_depot_demands ( self , depot ) : start_depot = self . customers [ depot ] self . customers [ depot ] = start_depot . _replace ( demand = 0 , tw_open = None , tw_close = None )