code: def delete(self, num_iid, properties, session, item_price=None, item_num=None, lang=None):
          '''taobao.item.sku.delete 删除SKU
          
          删除一个sku的数据 需要删除的sku通过属性properties进行匹配查找'''
          request = TOPRequest('taobao.item.sku.delete')
          request['num_iid'] = num_iid
          request['properties'] = properties
          if item_num!=None:
              request['item_num'] = item_num
          if item_price!=None:
              request['item_price'] = item_price
          if lang!=None:
              request['lang'] = lang
          self.create(self.execute(request, session)['sku'])
          return self delete(self, num_iid, properties, session, item_price=None, item_num=None, lang=None):
          '''taobao.item.sku.delete 删除SKU
          
          删除一个sku的数据 需要删除的sku通过属性properties进行匹配查找'''
          request = TOPRequest('taobao.item.sku.delete')
          request['num_iid'] = num_iid
          request['properties'] = properties
          if item_num!=None:
              request['item_num'] = item_num
          if item_price!=None:
              request['item_price'] = item_price
          if lang!=None:
              request['lang'] = lang
          self.create(self.execute(request, session)['sku'])
          return self
docs: taobao.item.sku.delete 删除SKU
          
          删除一个sku的数据 需要删除的sku通过属性properties进行匹配查找