Is it me or does anyone else think that a single map function application is a really bad example? I've seen lots of errors introduced by for loops that have be

Is it me or does anyone else think that a single map function application is a really bad example? I've seen lots of errors introduced by for loops that have been malformed (although modern syntax like for(x:allthese) {stuff} helps ) but also map(stuff:x) means do all these, while for means do them one at a time in sequence