示例1:

#!/usr/bin/python

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


# 根据输入打印

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


# 等边三角形

for i in range(0, rows + 1):

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

print " ",

j += 1

for k in range(0, 2 * i - 1):

if k == 0 or k == 2 * i - 2 or i == rows:

if i == rows:

if k % 2 == 0:

print "*",

else:

print " ",

else:

print "*",

else:

print " ",

k += 1

print "\n"

i += 1


print 'the end';

代码截图1:

运行截图1:

示例2:

#!/usr/bin/python

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


# 根据输入打印

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


# 等边三角形

for i in range(0, rows + 1):

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

print " ",

j += 1

for k in range(0, 2 * i - 1):

if i == rows:

if k % 2 == 0:

print "*",

else:

print " ",

else:

print "*",

k += 1

print "\n"

i += 1


print 'the end';

代码截图2:

运行截图2:

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