Python 课程作业 0525 打印三角形

i=0
line = raw_input('how many?')
for i in range (1, int(line)):
    print '*'* i
    i = i + 1

line = raw_input('how many 2?')
for i in range(1, int(line)):
    print '*' * (int(line)-i)
    i = i + 1