- """
- python切片提取一组数据的第一个字符以及第一个到第三个字符.py
- http://www.bathome.net/thread-38635-1-1.html
- 依山居 1:02 2015/12/17
- """
- with open("data.txt") as f:
- txt=[r.rstrip().split() for r in f.readlines()]
-
- result1=''
- result2=''
- for r in txt:
- sstr1=''
- sstr2=''
- for s in r:
- if len(s)>3:
- sstr1+=s[0]+" "
- sstr2+=s[0:3]+" "
- else:
- sstr1+=s
- sstr2+=s
- result1+=sstr1+"\n"
- result2+=sstr2+"\n"
-
- with open("result1.txt","w+") as f:
- f.write(result1)
- with open("result2.txt","w+") as f:
- f.write(result2)
复制代码
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