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Optimizing PyCharm annotations: improving code maintainability
Optimizing PyCharm annotations: improving code maintainability
Feb 19, 2024 pm 07:37 PM
Comments play a vital role in the process of writing code. It not only helps other developers understand our code, but also makes it easier to review the code logic during future maintenance and optimization. As a powerful Python integrated development environment, PyCharm provides rich and practical annotation functions. This article will introduce how to use annotations rationally in PyCharm to make our code easier to maintain.
1. Single-line comments
In Python, single-line comments start with "#", which can add comments at the end or in the middle of a line of code. In PyCharm, we can use the shortcut key "Ctrl /" to quickly add or cancel single-line comments.
# 這是一個單行注釋 result = x + y # 計算結果
2. Documentation string
Documentation string (Docstring) is a string located at the top of a function, class or module, used to describe its functions, parameters, return values ??and other information. In PyCharm, we can use three quotes to quickly add docstrings and view docstrings through the "Alt Enter" shortcut key.
def add(x, y):
"""
這是一個加法函數
:param x: 第一個參數
:param y: 第二個參數
:return: 兩個參數的和
"""
return x + y3. Inline comments
Sometimes we need to add some small comments at the end of the code line, then we can use inline comments. In PyCharm, we can use "Ctrl /" to add inline comments at the cursor position.
result = x + y # 計算結果
4. Comment templates
PyCharm provides some comment templates that can help us quickly add commonly used comment content. These annotation templates can be found in PyCharm's settings and configured accordingly.
For example, we can set a comment template for a function, including function function, parameter description and return value description:
# 定義一個注釋模板 # 功能：$功能描述$ # 參數： # - $參數1$：$參數1的說明$ # - $參數2$：$參數2的說明$ # 返回值：$返回值描述$
5. Quickly view comments
In PyCharm, We can use the "Ctrl left mouse button" to quickly view the definition and comments of a function or method. This can help us clarify the logic and functions of the code faster.
Conclusion
Comments are an indispensable part when we write code. It can make the code easier to understand and maintain. By properly using the annotation functions provided by PyCharm, we can write and manage our code more efficiently. I hope this article can help readers better master PyCharm's annotation skills and make the code more readable and maintainable.
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