Python读取和写入文件

发布时间：2019-07-17 10:08:44编辑：auto阅读（2243）

    #Read and Write from Files#
    #coding=utf-8
    import codecs
    f = open("AccountList.txt","w")
    L = u"张三\n李四\n王五\n赵六"
    f.write(L)
    f.close()
    f = open("AccountList.txt","r")
    print (f.readline())    #read lines one by one
    print (f.readline())
    print (f.readline())
    print (f.readline())
    f.seek(0)
    print (f.readlines())   #Output lines as a list



    import linecache
    m = open("AccountList01.txt","w")
    n = u"America\nChina\nJapan\nEngland\nCanda\nGermany"
    m.write(n)
    m.close()
    #m = open("AccountList01.txt","r")
    #f.seek(0)
    print(linecache.getline("AccountList01.txt",1));
    print(linecache.getline("AccountList01.txt",2));
    print(linecache.getline("AccountList01.txt",3));
    print(linecache.getline("AccountList01.txt",1));
    print(linecache.getline("AccountList01.txt",4));
    print(linecache.getline("AccountList01.txt",5));
    print(linecache.getline("AccountList01.txt",6));

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