Contribution #1440

Problem: en/7.1.6

Added Luis's English solution of 7.1.6

Editor: Luis Daniel Fernández Quintana ( @Luisito )

Time: June 18, 2024 at 01:40 AM

GitHub commit: 93d4179b75937911a47e9c5d93c41a498130fc07

+146 -10 lines changed