zoukankan      html  css  js  c++  java
  • python_day3

    简介:文件操作

    读文件

    # f = open("file.txt", "w", encoding="utf-8")  # w可以直接创建文件,如果有相同文件名的文件,直接覆盖,不能读文件
    f = open("file.txt", "r", encoding="utf-8")  # r读取文件内容,但不可以写
    # f = open("file.txt", "a", encoding="utf-8")  # a append 扩展,不可读
    
    data = f.read()
    print(data)
    #data = "this is a fie!"
    
    f.close()
    Code

    写文件

     f = open("file.txt", "w", encoding="utf-8")  # w可以直接创建文件,如果有相同文件名的文件,直接覆盖,不能读文件
    Code

    追加

    # Author:Er
    
    # f = open("file.txt", "w", encoding="utf-8")  # w可以直接创建文件,如果有相同文件名的文件,直接覆盖,不能读文件
    #f = open("file.txt", "r", encoding="utf-8")  # r读取文件内容,但不可以写
    f = open("file.txt", "a", encoding="utf-8")  # a append 扩展,不可读
    
    #data = f.read()
    #print(data)
    data = "
    this is a fie!
    "
    f.write(data)
    f.close()
    Code

    打印文件中某一行

    #读取文件某一行
    count = 0
    for i in f:
        count += 1
        if count == 9:
            print(f.readline().strip())     # strip 删除空格与换行符
    
    f.close()
    Code
    Somehow, it seems the love I knew was always the most destructive kind
    不知为何,我经历的爱情总是最具毁灭性的的那种
    Yesterday when I was young
    昨日当我年少轻狂
    The taste of life was sweet
    生命的滋味是甜的
    As rain upon my tongue
    就如舌尖上的雨露
    I teased at life as if it were a foolish game
    我戏弄生命 视其为愚蠢的游戏
    The way the evening breeze
    就如夜晚的微风
    May tease the candle flame
    逗弄蜡烛的火苗
    The thousand dreams I dreamed
    我曾千万次梦见
    The splendid things I planned
    那些我计划的绚丽蓝图
    I always built to last on weak and shifting sand
    但我总是将之建筑在易逝的流沙上
    I lived by night and shunned the naked light of day
    我夜夜笙歌 逃避白昼赤裸的阳光
    And only now I see how the time ran away
    事到如今我才看清岁月是如何匆匆流逝
    Yesterday when I was young
    昨日当我年少轻狂
    So many lovely songs were waiting to be sung
    有那么多甜美的曲儿等我歌唱
    So many wild pleasures lay in store for me
    有那么多肆意的快乐等我享受
    And so much pain my eyes refused to see
    还有那么多痛苦 我的双眼却视而不见
    I ran so fast that time and youth at last ran out
    我飞快地奔走 最终时光与青春消逝殆尽
    I never stopped to think what life was all about
    我从未停下脚步去思考生命的意义
    And every conversation that I can now recall
    如今回想起的所有对话
    Concerned itself with me and nothing else at all
    除了和我相关的 什么都记不得了
    The game of love I played with arrogance and pride
    我用自负和傲慢玩着爱情的游戏
    And every flame I lit too quickly, quickly died
    所有我点燃的火焰都熄灭得太快
    The friends I made all somehow seemed to slip away
    所有我交的朋友似乎都不知不觉地离开了
    And only now I'm left alone to end the play, yeah
    只剩我一个人在台上来结束这场闹剧
    Oh, yesterday when I was young
    噢 昨日当我年少轻狂
    So many, many songs were waiting to be sung
    有那么那么多甜美的曲儿等我歌唱
    So many wild pleasures lay in store for me
    有那么多肆意的快乐等我享受
    And so much pain my eyes refused to see
    还有那么多痛苦 我的双眼却视而不见
    There are so many songs in me that won't be sung
    我有太多歌曲永远不会被唱起
    I feel the bitter taste of tears upon my tongue
    我尝到了舌尖泪水的苦涩滋味
    The time has come for me to pay for yesterday
    终于到了付出代价的时间 为了昨日
    When I was young
    当我年少轻狂
    

      打印信息

    E:PYvenvScriptspython.exe E:/PY/day3/文件操作.py
    我戏弄生命 视其为愚蠢的游戏
    
    Process finished with exit code 0
    

      

  • 相关阅读:
    php之static静态变量详解
    设计模式【代理模式】
    小牟Andorid下面MD5具体实现的思路总结
    ubuntu14.04安装MySQL
    Android手机定位技术的发展
    我不同意你,这是您的支持
    我要遵守11文章数据库设计指南
    quick-cocos2d-x游戏开发【3】——display.newSprite创建向导
    第二章 自己的框架WMTS服务,下载数据集成的文章1
    JSTL实现int数据的类型的长度
  • 原文地址:https://www.cnblogs.com/BlogOfEr/p/8877529.html
Copyright © 2011-2022 走看看