题目:把一段字符串用“右起竖排”的古文格式输出,并且拿竖线符号作为每一列的分割符。
比如这段文字:
"静夜思 李白床前明月光,疑似地上霜。举头望明月,低头思故乡。"
输出结果:
低┊举┊疑┊床┊静
头┊头┊似┊前┊夜
思┊望┊地┊明┊思
故┊明┊上┊月┊
乡┊月┊霜┊光┊李
。┊,┊。┊,┊白
思路:
1、切割空格符
2、切割句号
3、切割逗号,分离诗句和诗人,合并标题和诗人
4、补全空格
4、颠倒诗句顺序
5、将每句诗的字单独开来
6、展示
def change_pattern(poem):
# 分离出 题目,诗人+诗句
title,poet_n_poem = poem.split()
title = title.strip()
poet_n_poem = poet_n_poem.strip()
# 存放诗句的列表
all_lines = []
# 分离句号
for one in poet_n_poem.split("。"):
if ',' in one:
# 分离逗号
lines = one.split(",")
# print(lines)
# 判断是否是 诗人+诗句,且给每个诗句后面加逗号
if len(lines[0]) != len(lines[1]):
line_len = len(lines[1])
poet = lines[0][:len(lines[0])-line_len]
lines[0] = lines[0].strip(poet) + ","
lines[1] = lines[1] + "。"
line_len = line_len + 1
all_lines = all_lines + lines
else:
lines[0] = lines[0] + ","
lines[1] = lines[1] + "。"
all_lines = all_lines + lines
title_n_poet = title + " " + poet
title_n_poet_len = len(title_n_poet)
all_lines.insert(0,title_n_poet)
all_lines.reverse()
# 补全空格,使长度一致
delta = line_len - title_n_poet_len
# 诗句长度短
if delta < 0:
for i in range(0,len(all_lines)-1):
all_lines[i] = all_lines[i] + abs(delta) * " "
# 题目+空格+诗人 长度短
elif delta > 0:
all_lines[-1] = all_lines[-1] + abs(delta) * " "
else:
pass
# 把诗句的每个字单独出来
for i in range(0,len(all_lines)):
all_lines[i] = list(all_lines[i])
result_list = []
j = 0
while j < len(all_lines[0]):
i = 0
result_list.append([])
# for i in range(0,len(all_lines)):
# result_list[j].append(all_lines[i][j])
while i < len(all_lines):
result_list[j].append(all_lines[i][j])
i = i + 1
j=j+1
# print(result_list)
for one in result_list:
string = "|".join(one)
print(string)
if __name__ == "__main__":
poem = "锦瑟 李商隐锦瑟无端五十弦,一弦一柱思华年。庄生晓梦迷蝴蝶,望帝春心托杜鹃。沧海月明珠有泪,蓝田日暖玉生烟。此情可待成追忆," \
"只是当时已惘然。"
change_pattern(poem)
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