#RQ1 class Cheer: """ >>> UC = Cheer("Bearcats") >>> for c in UC: ... print(c) ... Give me an B Give me an e Give me an a Give me an r Give me an c Give me an a Give me an t Give me an s """ "*** YOUR CODE HERE ***" #RQ2 class Countdown: """ An iterator that counts down from N to 0. >>> for number in Countdown(5): ... print(number) ... 5 4 3 2 1 0 >>> for number in Countdown(2): ... print(number) ... 2 1 0 """ "*** YOUR CODE HERE ***" ############## # Generators # ############## # RQ3 def naturals(): """A generator function that yields the infinite sequence of natural numbers, starting at 1. >>> m = naturals() >>> type(m) >>> [next(m) for _ in range(10)] [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] """ "*** YOUR CODE HERE ***" #RQ4 def scale(s, k): """Yield elements of the iterable s scaled by a number k. >>> s = scale([1, 5, 2], 5) >>> type(s) >>> list(s) [5, 25, 10] >>> m = scale(naturals(), 2) >>> [next(m) for _ in range(5)] [2, 4, 6, 8, 10] """ "*** YOUR CODE HERE ***" # RQ5 def countdown(n): """ A generator that counts down from N to 0. >>> for number in countdown(5): ... print(number) ... 5 4 3 2 1 0 >>> for number in countdown(2): ... print(number) ... 2 1 0 """ "*** YOUR CODE HERE ***" # RQ6 def hailstone(n): """ >>> for num in hailstone(10): ... print(num) ... 10 5 16 8 4 2 1 """ "*** YOUR CODE HERE ***"