Question: 
Write a function to find the n'th perrin number using recursion.


Model's Code:
def get_perrin(n):
    if n == 0:
        return 3
    elif n == 1:
        return 0
    elif n == 2:
        return 2
    else:
        return get_perrin(n - 2) + get_perrin(n - 1)



Sample Correct Code:
def get_perrin(n):
  if (n == 0):
    return 3
  if (n == 1):
    return 0
  if (n == 2):
    return 2 
  return get_perrin(n - 2) + get_perrin(n - 3)


Asserts:
assert get_perrin(9) == 12
assert get_perrin(4) == 2
assert get_perrin(6) == 5


Tests:
Test 1 of 3: FAIL: AssertionError()

Test 385 of 974: 278/385 (72.20779220779221%): failed