题解 | #字符金字塔#
字符金字塔
http://www.nowcoder.com/practice/0fae60c3b5c64699b7c0f031c2187dde
#用i来控制行，用j来控制字符出现区域的数目。
single_str = input()
for i in range(1,6):
print(' '*(5-i),end = '')
for j in range(1,2*i):
if j%2 != 0:
print(single_str,end='')
else:
print(' ',end = '')
print(' '*(5-i))
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