Module:Sandbox/ProblemSolving/Zel

problem_solving = {R1 = "Hello World"} function reverse(Rl) local R2 = "" for i = 1,#R1 do   R2 = R1:sub(i,i) .. R2 end return R2 end R2 = reverse(R1) print (R1,"-->", R2) return problem_solving