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"""
打印各种三角形图案
*
**
***
****
*****
*
**
***
****
*****
*
***
*****
*******
*********
Version: 0.1
Author: 骆昊
Date: 2018-03-01
"""
row = int(input('请输入行数: '))
for i in range(row):
for _ in range(i + 1):
print('*', end='')
print()
for i in range(row):
for j in range(row):
if j < row - i - 1:
print(' ', end='')
else:
print('*', end='')
print()
for i in range(row):
for _ in range(row - i - 1):
print(' ', end='')
for _ in range(2 * i + 1):
print('*', end='')
print()