2020-1-19

1.打印三角形图案

Version: 0.1

Author: 骆昊

"""

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()