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Python入门课| 02. python下载与安装

  • 2026-04-20 14:39:32
Python入门课| 02. python下载与安装

02. python下载与安装

Python入门课》是作为生信小白入门重要的课程之一,学好python,是单细胞+空间转录组,Python全流程实战教学的基础。

B站同步播出:

https://www.bilibili.com/video/BV1rk9LB7E8j/

Python入门课| 01. 绪论中,我们给大家介绍了python的特点与用途,本教程我们将手把手带领大家在不同系统中安装和下载Python。成功之后算是半只脚踏入Python了,接下来可以好好跟着视频内容实操啦~

图文内容

1. Python下载与安装

1.1 官网下载

  • 访问 Python 官方网站:https://www.python.org/downloads/
  • 根据操作系统选择最新的 稳定版本(Windows / macOS / Linux)
  • 下载对应安装包(Windows 通常是 .exe,macOS 是 .pkg)

1.2 安装(以 Windows 为例)

  • 双击安装包运行安装程序。
  • 重要选项:勾选 “Add Python to PATH”,保证命令行可直接使用 Python。
  • 重要选项:勾选 “Add Python to PATH”,保证命令行可直接使用 Python。
  • 安装完成后,可以在命令行验证:4、安装完成后,可以在命令行验证:
%%bashpython --version

Python 3.10.15

1.3 Linux / macOS 安装

Linux与 MacOS 直接支持命令行安装( Windows 也支持 PowerShell 命令行安装)
# sudo apt update# sudo apt install python3 python3-pip

1.4 Miniconda 安装 python(虚拟环境)

Anaconda 官网下载.exe,安装时勾选“Add to PATH”,默认安装 Python 3.11

%%bash# 下载 Miniconda 安装脚本wgethttps://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh# 运行安装脚本bashMiniconda3-latest-Linux-x86_64.sh# 创建一个新的 Conda 环境,指定 Python 版本为 3.10condacreate -n myenv python=3.10# 激活新创建的环境sourceactivate myenvcondainstall jupyter -y -vv

配置jupyter

cd~# 生成配置文件jupyternotebook --generate-config# 输入登录密码jupyternotebook password# 允许远程登录 使用默认端口8888(jupyter notebook 运行端口,根据实际情况设置,3.0系统就使用8888即可)cat>> ~/.jupyter/jupyter_notebook_config.py << EOFc.NotebookApp.ip='*'c.NotebookApp.open_browser = Falsec.NotebookApp.port = 8888EOF
# 启动jupyter labjupyter lab

或者在后台启动 jupyter

# 在哪个目录启动,哪个目录就是jupyter的根目录,可以在家目录启动cd ~# 或者你也也可以新建一个目录作为jupyter专用的目录# cd ~# mkdir jupyter_home && cd jupyter_home# 后台运行nohup jupyter lab >~/jupyter.log 2>&1 & echo"jupyter 运行成功 pid为:$!"# 前台运行,关闭SSH终端后会终止服务,一般用来测试jupyter lab

使用 Jupyter lab 编写 python 程序

Python入门课

1、课程简介

生信基地希望能够给大家提供系统性形成性规范性的生信教学。本次《Python入门课》可针对性的指导、答疑,分为"Python课程绪论"、"Python下载与安装"、"变量与数据变型"、"类型转换"、"数据结构"、"运算符和表达式"、"语法与语句"、"数据的读取与保存"、"模块与包"、"基于Matplotlib的基础可视化"、"简单机器学习入门"十一个模块共21节课。当然,我们也不做生信快餐,课程视频剪辑完毕,永久回放后续我们会持续拉群在群里进行课程内容的答疑。

2、Python介绍
Python作为本次课程核心编程语言,语法简洁、库生态丰富、计算高效,是数据科学与自动化开发的主流选择,兼顾入门友好与高效开发。随着研究数据量,Python可弥补R语言在处理规模与扩展性上的不足,更好适合现科研需求。
我们制作的单细胞空间转录组教程几乎也全是基于Python环境。很多同学找我们学习单细胞的时候都表示不想学习编程语言,直接学习单细胞/空间转录组分析,不积跬步无以至千里,这显然是不现实的,所以,欢迎大家来参加此次的课程。

报名/缴费二维码:

资料&课表

本次课程的学习资料可以联系文末客服微信领取:

课程目录:

1. Python课程绪论

2. Python下载与安装

2.1 官网下载

2.2 安装(以 Windows 为例

2.3 Linux / macOS 安装

2.4 Miniconda 安装 python(虚拟环境)

3. 变量与数据类型

3.1 整数

3.2 浮点数

3.3 字符串

3.4 布尔值

4. 类型转换

5. 数据结构

5.1 列表与元组

5.2 字典

5.3 集合

5.4 数组

5.5 Series

5.6 数据框 DataFrame

5.7 Anndata

6. 运算符和表达式

6.1 算数运算符

6.2 比较运算符

6.3 逻辑运算符

6.4 位运算符

6.5 赋值运算符

7. 语法与语句

7.1 if条件语句

7.2 for循环语句

7.3 while循环语句

7.4 跳转语句

7.5 函数定义与调用

8. 数据的读取与保存

8.1 基础信息

8.2 不同格式文件读取

9. 模块与包

10. 基于Matplotlib的基础可视化

10.1 基础可视化

10.2 图像大小和 DPI 设置

10.3 设置图例

10.4 实战练习

11. 简单机器学习入门

如何联系我们

留一个领取资料开箱即用的单细胞分析镜像微信号[Biomamba_zhushou],方便各位随时交流。同时我们也构建了交流群矩阵欢迎大家入群讨论。
大家可以阅读完这几篇之后添加
给生信入门初学者的小贴士
没有检索,就没有发言权

已有生信基地联系方式的同学无需重复添加

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  1. CONNECT:[ UseTime:0.000467s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000932s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000321s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000270s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000656s ]
  6. SELECT * FROM `set` [ RunTime:0.000256s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000786s ]
  8. SELECT * FROM `article` WHERE `id` = 484619 LIMIT 1 [ RunTime:0.000565s ]
  9. UPDATE `article` SET `lasttime` = 1776691321 WHERE `id` = 484619 [ RunTime:0.003888s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000313s ]
  11. SELECT * FROM `article` WHERE `id` < 484619 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000573s ]
  12. SELECT * FROM `article` WHERE `id` > 484619 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000493s ]
  13. SELECT * FROM `article` WHERE `id` < 484619 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003229s ]
  14. SELECT * FROM `article` WHERE `id` < 484619 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004339s ]
  15. SELECT * FROM `article` WHERE `id` < 484619 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002721s ]
0.090033s