class Solution:
def kthSmallestPrimeFraction(self, arr: List[int], k: int) -> List[int]:
d = {}
for index, i in enumerate(arr):
for j in arr[index:]:
d[(i, j)] = i / j
d = {k : v for k, v in sorted(d.items(), key = lambda x : x[1])}
x = list(d.keys())[k - 1]
return x