解答：
class Solution:
def getRow(self, rowIndex: int) -> List[int]:
l1 = [1]
l2 = []
n = 33
while n >= 0:
l2.append(l1)
l1 = [sum(t) for t in zip([0]+l1, l1+[0])]
n -= 1
return l2[rowIndex]
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