119.pascals-triangle-ii.py

class Solution(object):
    def getRow(self, rowIndex):
        """
        :type rowIndex: int
        :rtype: List[int]
        """
        row = [0 for i in range(rowIndex + 1)]
        
        for i in range(rowIndex + 1):
            for j in range(i, -1, -1):
                if j == 0 or j == i:
                    row[j] = 1
                else:
                    row[j] = row[j - 1] + row[j]

        return row