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作为 Python 超集的 Mojo

熟悉的语法与全新的性能能力

作为 Python 超集的 Mojo 是 CoddyKit 上的免费 Mojo Academy 课时。这是第 2 节课，共 4 节。你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。这是 Mojo Academy 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Mojo Academy 课程共包含 4 节课。

本课时的部分内容尚未翻译，以英文显示。

Python, Plus More

Mojo is built as a superset of Python: the Python you know is a starting point, with new powers layered on top. 🧩

Syntax You Recognize

Indentation, colons, and clean keywords stay the same. A Mojo for loop reads just like its Python cousin.

for i in range(3):
    print(i)

Same Familiar Functions

Everyday tools like print and range carry straight over, so your existing Python habits keep working in Mojo.

print("Mojo feels familiar")

A Gradual On-Ramp

You can start writing Python-flavored code today and adopt Mojo's faster features gradually, at your own pace.

New Keyword: var

Mojo adds var to declare a variable explicitly, which makes your intent clear and helps the compiler optimize.

var count = 10

Optional Type Annotations

You can tag values with a type like Int. This is optional Python syntax in Mojo that unlocks real speed.

var score: Int = 100

Two Kinds of Functions

Mojo keeps Python's def but adds fn for stricter, faster functions. You choose how much rigor you want.

fn add(a: Int, b: Int) -> Int:
    return a + b

Structs for Speed

Beyond classes, Mojo offers the struct: a fast, statically typed way to bundle data and behavior together.

struct Point:
    var x: Int
    var y: Int

Superset, Growing Toward Full

Mojo aims to eventually run all valid Python, while today it already covers a familiar, useful subset plus its own features.

Keep Your Mental Model

Because the foundation is Python, your existing mental model transfers. You add new tools rather than relearning everything.

Familiar Feel, New Ceiling

The big idea: Mojo feels like Python but raises the performance ceiling far above what pure Python can reach. ⚡

Quick Check

Recall what being a Python superset really gives you.

Recap

You saw Mojo keep Python's syntax while adding var, type annotations, fn, and struct, giving you a smooth upgrade path. 🎯

常见问题解答

「作为 Python 超集的 Mojo」课时是免费的吗？

是的 — 「作为 Python 超集的 Mojo」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 Mojo Academy 课程的其余内容，请升级到 CoddyKit PRO。 Mojo Academy 课程共包含 4 节课。

「作为 Python 超集的 Mojo」这节课中我会学到什么？

熟悉的语法与全新的性能能力你通过在浏览器中直接运行的动手代码来练习 Mojo Academy，全天候 AI 导师会在你学习这节课的过程中回答你的问题。

学习 Mojo Academy 需要有经验吗？

无需任何先前经验。CoddyKit 上的 Mojo Academy 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。这是第 2 节课，共 4 节。

「作为 Python 超集的 Mojo」课时需要多长时间？

大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。

我能在这节 Mojo Academy 课中编写并运行代码吗？

能。每节 Mojo Academy 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。

此课程中的所有课时

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