Invoices merging

Design a function @fusion_facturas(fact1, fact2)@ which, given two dictionaries @fact1@, @fact2@ that associate product names with their price, returns a dictionary associating product names with their price accumulating both invoices @fact1@ and @fact2@.

Sample session

Problem information

Author: InfBesos

Generation: 2026-01-25T13:27:02.264Z