4. (a) Given the following Python code: def sails (width, columns, rows): for row in range (rows): for number in range (1, width+1): for column in range (columns) : sails (5,3,3) print (" "+number+" "(width-number)) print () What is printed out? (It can be a little sloppy, as long as I understand it.) (b) Given the following Python code: def br (len, lev): if lev