You have to program several functions. In each case, few lines of code are enough.
Scoring
Last two functions counts 20 points each one. Previous ones counts 15 points.
>>> welcome("King Kong") Hello King Kong, you are welcome! >>> max_min(-3,5) (5, -3) >>> integer_division(14,3) (4, 2) >>> digit_count(6543) 4 >>> leading_hand(22,51) minute hand >>> update_arrival(23, 57, 5 + 24*60) (0, 2)