[PT] Update pt/lessons/basics/functions.md to 1.2.0 (#2074)
[PT] Update pt/lessons/basics/functions.md to 1.2.0 (#2074)


doomspork/elixir-school,nscyclone/elixir-school,doomspork/elixir_school,nscyclone/elixir-school,doomspork/elixir-school,nscyclone/elixir-school,doomspork/elixir-school,doomspork/elixir_school,doomspork/elixir_school,nscyclone/elixir-school