摘要:
一、英文词频统计 1.下载一首英文的歌词或文章 I said,"dad, you might leave now.” But he looked out of the window and said,” I’m going to buy you some tangerines. You just s 阅读全文
摘要:
#字符串 s = 'Hello' for i in s: print(i) # 列表 ls = ['p', 'y', 'Char', 'm'] for i in ls: print(i) # 元组 tup = tuple('tuple') for i in tup: print(i) # 字典 names = ['Help', 'Make', 'Char... 阅读全文
摘要:
cd命令:切换目录 (1)切换到目录 /usr/local cd /usr/local (2)去到目前的上层目录 cd .. (3)回到自己的主文件夹 cd ~ ls命令:查看文件与目录 (4)查看目录/usr下所有的文件 ls /usr mkdir命令:新建新目录 (5)进入/tmp目录,创建一个 阅读全文