我需要阅读一个段落，我需要复制只有关键字的行。段落是这样的：aaaaaaaaaaa[new,aaa] < name of the file with path ] //asabbsjkorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap[mod] <name of the file with path 我的算法：if keyword exists in the line : copy that line else: leave it
2 回答
宝慕林4294392
TA贡献2021条经验 获得超8个赞
尝试这几行代码：
copy_lines= []
for line in paragraph.split('\n'):
if keyword in line:
copy_lines.append(line)
print(copy_lines)
或一张内衬：
copy_lines= [line for line in paragraph.split('\n') if keyword in line]
Helenr
TA贡献1780条经验 获得超3个赞
如果您尝试从文件中读取该段落：
keyword = "your_keyword"
with open("demofile.txt", "r") as f:
line_list = f.readlines()
magic_lines = [line for line in line_list if keyword in line]
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