code: def update(self, product, data, store_view=None, identifierType=None):
          
          return bool(self.call(
              'catalog_product.update',
              [product, data, store_view, identifierType]
          ))
docs: Update product Information
  
          :param product: ID or SKU of product
          :param data: Dictionary of attributes to update
          :param store_view: ID or Code of store view
          :param identifierType: Defines whether the product or SKU value is
                                 passed in the "product" parameter.
  
          :return: Boolean