Python 初级开发人员

掌握 Python 编程基础。 无需任何先验知识！

深入了解 Python 生态系统，探索模块和包，以及如何编写自定义函数！

Define functions to catch errors when new users register for an app!

继续通过学习迭代器和列表推导式来提升你的现代数据科学技能。

Consolidate and extend your knowledge of Python data types such as lists, dictionaries, and tuples, leveraging them to solve Data Science problems.

Learn how to work with dates and times in Python.

Manipulate date and time using Python

If you've ever seen the "with" keyword in Python and wondered what its deal was, then this is the chapter for you! Context managers are a convenient way to provide connections in Python and guarantee that those connections get cleaned up when you are done using them. This chapter will show you how to use context managers, as well as how to write your own.

Decorators are an extremely powerful concept in Python. They allow you to modify the behavior of a function without changing the code of the function itself. This chapter will lay the foundational concepts needed to thoroughly understand decorators (functions as objects, scope, and closures), and give you a good introduction into how decorators are used and defined. This deep dive into Python internals will set you up to be a superstar Pythonista.

Learn about string manipulation and become a master at using regular expressions.

掌握面向对象编程（OOP）的基础概念，构建自定义类和对象！

Unix 命令行帮助用户以新方式组合现有程序、自动化重复任务，并在集群和云上运行程序。