https://blog.youkuaiyun.com/MJ_linuxzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/MJ_linux/article/details/77937773https://blog.youkuaiyun.com/MJ_linux/article/details/77937773MJ_linuxMon, 11 Sep 2017 20:55:38 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77936158https://blog.youkuaiyun.com/MJ_linux/article/details/77936158MJ_linuxMon, 11 Sep 2017 18:07:09 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77931922https://blog.youkuaiyun.com/MJ_linux/article/details/77931922MJ_linuxMon, 11 Sep 2017 12:52:02 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77923909https://blog.youkuaiyun.com/MJ_linux/article/details/77923909MJ_linuxSun, 10 Sep 2017 18:47:19 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77879753https://blog.youkuaiyun.com/MJ_linux/article/details/77879753MJ_linuxThu, 07 Sep 2017 12:08:42 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77874235https://blog.youkuaiyun.com/MJ_linux/article/details/77874235MJ_linuxWed, 06 Sep 2017 22:42:55 +0800 程序处理 —> 输出(print) 操作系统不允许普通的程序直接操作磁盘，所以，读写文件实质是请求操作系统打开一个文件对象(文件描述符)，然后，操作系统提供的接口，通过文件对象操作文件。 文件管理的三大步骤: 打开文件： f = open(“filename”) #创建文件对象f，type(f)=file,可迭代，若文件不存在]]>https://blog.youkuaiyun.com/MJ_linux/article/details/77855422https://blog.youkuaiyun.com/MJ_linux/article/details/77855422MJ_linuxTue, 05 Sep 2017 19:53:26 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77840793https://blog.youkuaiyun.com/MJ_linux/article/details/77840793MJ_linuxMon, 04 Sep 2017 19:19:22 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77840369https://blog.youkuaiyun.com/MJ_linux/article/details/77840369MJ_linuxMon, 04 Sep 2017 18:22:49 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77836013https://blog.youkuaiyun.com/MJ_linux/article/details/77836013MJ_linuxMon, 04 Sep 2017 11:56:25 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77750172https://blog.youkuaiyun.com/MJ_linux/article/details/77750172MJ_linuxThu, 31 Aug 2017 17:27:47 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77726463https://blog.youkuaiyun.com/MJ_linux/article/details/77726463MJ_linuxWed, 30 Aug 2017 22:31:39 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77726223https://blog.youkuaiyun.com/MJ_linux/article/details/77726223MJ_linuxWed, 30 Aug 2017 22:03:18 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77725823https://blog.youkuaiyun.com/MJ_linux/article/details/77725823MJ_linuxWed, 30 Aug 2017 21:25:21 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77689434https://blog.youkuaiyun.com/MJ_linux/article/details/77689434MJ_linuxTue, 29 Aug 2017 23:04:42 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77688918https://blog.youkuaiyun.com/MJ_linux/article/details/77688918MJ_linuxTue, 29 Aug 2017 22:10:58 +0800 先找首字母，查到这个字的解释所在的页数; 字典是另一种可变容器模型，且可存储任意类型对象。 字典的每个键值(key=>value)对用冒号(:)分割，每个对之间用逗号(,)分割，整个字典包括在花括号({})中 键必须是唯一的，但值则不必。 值可以取任何数据类型，但键必须是不可变的，如字符串，数字或元组。 思维导图：字典的定义:d = {}]]>https://blog.youkuaiyun.com/MJ_linux/article/details/77688173https://blog.youkuaiyun.com/MJ_linux/article/details/77688173MJ_linuxTue, 29 Aug 2017 20:58:29 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77685789https://blog.youkuaiyun.com/MJ_linux/article/details/77685789MJ_linuxTue, 29 Aug 2017 19:52:52 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77646318https://blog.youkuaiyun.com/MJ_linux/article/details/77646318MJ_linuxMon, 28 Aug 2017 11:55:27 +0800https://blog.youkuaiyun.com/MJ_linux/article/details/77644601https://blog.youkuaiyun.com/MJ_linux/article/details/77644601MJ_linuxMon, 28 Aug 2017 10:53:35 +0800