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  • Python——指定文件格式

    指定文件格式

         # 读取文件,将文件的内容构造成指定格式的数据

    • 文件:wlw|123|23

      fsh|456|27

    • 格式:a.["wlw|123|23","fsh|456|27"]

      b.[["wlw","123","23"],["fsh","456","27"]]

      c.[{“name":"wlw","pwd":"123","age":"23"},

      {“name":"fsh","pwd":"456","age":"23"},

      ]

    a.
    v = []
    with open('a.txt',mode='r',encoding='utf-8') as f:
       for i in f.readlines():
           v.append(i.strip())
    print(v)


    b.
    v = []
    with open('a.txt',mode='r',encoding='utf-8') as f:
       for i in f.readlines():
           v.append(i.strip().split('|'))
    print(v)

    c.
    v = []
    with open('a.txt',mode='r',encoding='utf-8') as f:
       for i in f.readlines():
           dict = {}
           a,b,c = i.strip().split('|')
           dict['name'] = a
           dict['pwd'] = b
           dict['age'] = c
           v.append(dict)
    print(v)

    大文件的操作

    用readlines() 一行一行的读
    with open('a.txt',mode='r',encoding='utf-8') as file:
       for data in file.readlines():
           print(data,end=" ")
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  • 原文地址:https://www.cnblogs.com/weiliwei-lucky/p/11155842.html
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