题目：

题解：

class Solution:def getRow(self, rowIndex: int) -> List[int]:row = [1, 1]if rowIndex <= 1:return row[:rowIndex + 1]elif rowIndex >= 2:for i in range(rowIndex - 1):row = [row[j] + row[j + 1] for j in range(i + 1)]row.insert(0, 1)row.append(1)return row