示例:

#!/usr/bin/python

# -*- coding: UTF-8 -*-


# 根据输入打印

rows = int(raw_input('please input number:'))


# 打印等腰直角三角形

for i in range(0, rows):

for k in range(0, rows - i):

print " * ",;

k += 1;

i += 1;

print "\n";


print 'the end';

代码截图:

运行截图:

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