Contribution #1477

Problem: en/6.5.1

Added Luis's English solution of 6.5.1

Editor: Luis Daniel Fernández Quintana ( @Luisito )

Time: June 21, 2024 at 02:56 AM

GitHub commit: c78a85885d82ce4200d72d79819f5266554d7ff6

+176 -10 lines changed