AI代码解释 A=[[1,2,3],[4,5,6],[7,8,9]]#print(len(A))#矩阵行数#print(len(A[0]))#矩阵列数foriinrange(len(A[0])):#len(A[0])矩阵列数forjinrange(i,len(A)):#len(A)矩阵行数 #转置就是A[i][j]和A[j][i]互换
链接: https://pan.baidu.com/s/1Ym7oc1Iryy8o63c6O9Jkfw 密码在这里!密码在这里!密码在这里!密码在这里!密码在这里! https://bbs.ichunqiu.com/thread-38774-1-1.html?fromm=beef本文为 i_春秋 独立观点,未经授权禁止转载。如需授权、对文章有疑问或需删除稿件,请联系 FreeBuf 客服小蜜蜂(微信:freeb...
bilibili.com/ https://github.com/*** https://www..com/***(2)rjust 函数rjust 函数返回一个原字符串右对齐,并使用指定字符填充至指定长度的新字符串。指定的长度小于原字符串的长度则返回原字符串,语法格式为:str.rjust(width[, fillchar])str:要进行填充的字符串;width:包括 str 本身长度...
Python 文件I/O 本章只讲述所有基本的 I/O 函数,更多函数请参考Python标准文档。 打印到屏幕 最简单的输出方法是用print语句,你可以给它传递零个或多个用逗号隔开的表达式。此函数把你传递的表达式转换成一个字符串表达式,并将结果写到标准输出如下: #!/usr/bin/pyt
1 requests.get(‘https://github.com/timeline.json’) # GET请求 2 requests.post(“http://httpbin.org/post”) # POST请求 3 requests.put(“http://httpbin.org/put”) # PUT请求 4 requests.delete(“http://httpbin.org/delete”) # DELETE请求 ...
I've been using Wing Pro as my main development environment for 10 years now. I've used it for my open-source projects, my client projects when I was working as a freelancer, and now at my work in a corporate environment. I do Python programming almost exclusively, so Wing's Python-...
if d == 'song': Dowsong(i) # 处理歌单、 if d == 'playlist': url = 'https:/...
pip install numpy-i https://pypi.tuna.tsinghua.edu.cn/simple 使用pip清华镜像源安装numpy包 pip uninstall numpy 使用pip卸载numpy包 注:安装包时,可优先选择使用pip安装,若报错再选择conda安装。两者功能相同,conda权限更高,对版本要求更严格,会安装更多冗余的包。
I just wanted to say that I love your service. We use PythonAnywhere at work to run our internal site / database and also to update our IP Phones ... I like that I can do actual work here as well as creative projects from the same UI. ...
https://docs.jumpserver.org/zh/v2.12.0/install/setup_by_fast/ 该2.12.0版本要求数据库版本高于 mysql >=5.7 设置Repo yum -y localinstallhttp://mirrors.ustc.edu.cn/mysql-repo/mysql57-community-release-el7.rpm 关闭秘钥检查 [root@db-52 /etc/yum.repos.d]#sed -i '/gpgcheck=1/c gpgcheck=...