code: def reset_assets(self, init_cash=None):
          'reset_history/cash/'
          self.sell_available = copy.deepcopy(self.init_hold)
          self.history = []
          self.init_cash = init_cash
          self.cash = [self.init_cash]
          self.cash_available = self.cash[-1f reset_assets(self, init_cash=None):
          'reset_history/cash/'
          self.sell_available = copy.deepcopy(self.init_hold)
          self.history = []
          self.init_cash = init_cash
          self.cash = [self.init_cash]
          self.cash_available = self.cash[-1]
docs: reset_history/cash/