Pascal's Triangle Gen.py

class PascalsTriangle(object):
    def __init__(self):
        self.rows = [[1], [1, 1]]
        
    def addRow(self):
        row = [1]
        for x in range(len(self.rows[-1])-1):
            row.append(self.rows[-1][x] + self.rows[-1][x+1])
        row.append(1)
        self.rows.append(row)

    def printRow(self):
        for num in range(len(self.rows[-1])):
            print(self.rows[-1][num], end=" ")
        print()

    def onLoad(self):
        for row in range(len(self.rows)):
            for num in range(len(self.rows[row])):
                print(self.rows[row][num], end=" ")
            print()

PT = PascalsTriangle()
PT.onLoad()
while True:
    PT.addRow()
    PT.printRow()