Question

What is the code to be used to trim whitespaces?

(a) let trimmed = (l.trim() for (l in lines));

(b) let trimmed = (trim(l));

(c) let trimmed = l.trim();

(d) let trimmed = for(l in lines));

Answer 1

The correct option is (a) let trimmed = (l.trim() for (l in lines));

Best explanation: The various types of trim functions are trimLeft(), trimRight() and trim().can use the above code to trim whitespaces and filter out comments and blank lines.