4. Fix the program so that it can print 1,2,3,4,5 in the same line. things = str([1, 2, 3, 4, 5]) for thing in things: print(thing) 5. This code is supposed to print [1,2,3,4,5,6]. Fix it without changing the list named before. before = [[1, 2], [3, 4], [5, 6]] after = [] for number in before: after.append(number) print(after)