记录

打印小星星

row = 1
while row <= 5:
    col = 1
    while col <= row:
        #print("%d" % col)
        print("*", end="")
        col += 1
    #print("第%d行" % row)
    print('')
    row += 1

　　

打印九九乘法表

row = 1
while row <= 9:
    col = 1
    while col <= row:
        print("%d * %d = %d" % (col, row, col*row), end="\t")
        col += 1
    print()
    row += 1