Scoring plays in American football count as either 2, 3, 6, 7, or 8 points. Write a function that has as it's argument a football score and returns the number of possible ways that score can be achieved. Order is not important.
football(4) ➞ 1
# 2+2
football(6) ➞ 3
# 2+2+2 or 3+3 or 6
football(7) ➞ 2
# 2+2+3 or 7
football(9) ➞ 4
# 2+2+2+3 or 3+3+3 or 3+6 or 7+2
N/A