I don't think it's a strict convention, but it's common to see (a block of) imperative statements with side effects enclosed in: begin ... end It's ugly and s

I don't think it's a strict convention, but it's common to see (a block of) imperative statements with side effects enclosed in: begin ... end It's ugly and stands out in its awkwardness, almost as if by design, with the compiler saying: "I will let you do this, but do think about it some more and try and come up with something more elegant."