内置open（）函数对外部文件的操作 

1 >>> file=open('c://333.csv','r')  一些基本打开关闭操作
2 >>> s=file.read()
3 >>> print s
4 ,add,age,name
5 0,beijing,12,zhang
6 1,shanghai,24,li
7 2,tainjing,25,wang
8 >>> file.close()

 

 1 >>> file=open('c://333.csv','r')
 2 >>> file2=open('c://111.csv','w')   将333内容写到111中
 3 >>> file2.write(file.read())
 4 >>> file2.close()
 5 >>> file.close()
 6 >>> file2=open('c://111.csv')
 7 >>> file2=open('c://111.csv','r')
 8 >>> s=file2.read()
 9 >>> print s
10 ,add,age,name
11 0,beijing,12,zhang
12 1,shanghai,24,li
13 2,tainjing,25,wang

 

posted @ 2017-04-21 11:29  Braveliberty  阅读(145)  评论(0)    收藏  举报