Jan 1, 2022
diff --git a/ch09-lists-tuples-and-dictionaries/9a-challenge-cats-with-hats.py b/ch09-lists-tuples-and-dictionaries/9a-challenge-cats-with-hats.py

 cats = [False] * (100 + 1)
 print(get_cats_with_hats(cats))

 ## Alternate Solution

 cats = {}

 for i in range(1, 101):
    cats[i] = False

 for i in range(1, 101):
    for j in range(i,101,i):
        cats[j] = not cats[j]

 print("Cats having hats")

 for i in cats:
    if cats[i]:
        print(f'Cat # {i} has a hat on')
Original file line number	Diff line number	Diff line change
Expand Up		@@ -19,3 +19,20 @@ def get_cats_with_hats(array_of_cats):

		cats = [False] * (100 + 1)
		print(get_cats_with_hats(cats))

		## Alternate Solution

		cats = {}

		for i in range(1, 101):
		cats[i] = False

		for i in range(1, 101):
		for j in range(i,101,i):
		cats[j] = not cats[j]

		print("Cats having hats")

		for i in cats:
		if cats[i]:
		print(f'Cat # {i} has a hat on')