Tips for Writing Effective Code in Python


Let’s look at a few ideas that can help you write effective code in Python. You can find a list of online tools in our Python developer toolbox.

Python is a beautiful language. It’s easy to learn and fun, and its syntax (the rules) is clear and concise. On the other hand, Python has several nuances that make the programming experience less smooth than it could be.

But no language is perfect, and any seasoned Python engineer will have a list of pet peeves about the language. For example, I had an argument about whether Python is appropriate for embedded systems development with a colleague who was more of a C programmer by training. He claimed that Python was not suitable for serious work because “it has no compile-time checks” which made it difficult to catch bugs before runtime. I argued that this would be valid if we were talking about best practice but the real issue was whether anyone actually “compiled” their Python applications on production servers or even on desktop machines before running them.

A few tips on how to write better python code.

* Use pylint in your editor: Pylint is a tool that checks for errors in Python code, tries to enforce a coding standard and looks for code smells. This can be done per-file, per-project or even per-directory. There are plugins for most popular editors that automatically run pylint or other linters in the background as you type.

* Use Pyflakes: Pyflakes analyzes programs and detects various errors. It works by parsing the source file, not importing it, so it is safe to use on modules with side effects. It’s also much faster. Pyflakes is a passive checker of Python programs; it only inspects the syntax and semantics of a program, not its runtime behavior.

* Use pycodestyle: pycodestyle is a tool to check your Python code against some of the style conventions in PEP 8. pycodestyle is a wrapper around pycodestyle (formerly named pep8).

* Do not ignore warnings: Warnings are raised when some dynamic constructs are used (for example, using eval() or globals(), assigning an object to __builtins__, etc.) which may lead

If you’re learning Python as a beginner, you may find that some tasks are more challenging than others. Writing effective code and writing clean code are two different (yet equally important) things. Clean code is easy to read and understand, while effective code accomplishes the task you had in mind.

In this blog post, I’m going to share 10 practical tips for writing clean and effective Python code. These tips will help you keep your code organized, readable, and reusable:

1. Format Your Code Correctly

2. Use Comments

3. Name Variables Using Descriptive Terms

4. Don’t Repeat Yourself (DRY)

5. Keep Functions Small

6. Leverage Code Reuse Through Inheritance and Composition

7. Avoid Exceptions as Flow Control

8. Use Classes to Organize Your Code

9. Use Virtual Environments for Dependency Management

10. Package Your Code for Reuse

In addition to being a Python programmer and trainer, I’m an entrepreneur. I have worked for startups and been responsible for writing code that gets shipped to customers. As a result, I’ve had to deal with the consequences of my own coding mistakes.

I’ve also had to deal with the consequences of my teammates’ coding mistakes. After all, we were all working towards the same goal: shipping software that our customers could use. It is in this context that I’d like to share my experience with writing code in Python and some best practices that have helped me write effective code.

1. PEP8 Style Guidelines :

Before you begin writing any significant amount of code, you should install a tool called pep8 . This will help you enforce the style guidelines (called PEP8) recommended by the Python community. pep8 is available as a command line tool or as a plugin for your favorite editor (e.g., vim , emacs , sublime text).

If you’re working collaboratively with other developers on a project, it’s important that everyone follows these guidelines so that your code is readable! If you don’t do this, it will make it incredibly difficult for others to read and contribute to your codebase!

2. Use Code

The code you write every day may not be as elegant as it can be, but that doesn’t mean you can’t make it better. Here are some tips and tricks for writing better Python code.

* Use Pylint to enforce coding standards and test your code

* Take advantage of IDEs (PyCharm) to automatically generate common code for you

* Don’t repeat yourself (DRY) – reuse code where possible

* Don’t write long classes or functions; use generators (yield) instead!

* Use built-in modules whenever possible instead of reinventing the wheel

Python, a powerful high-level language, is great for scripting, but it’s also used in bigger applications. If you’re writing a larger application in Python, you might want to consider using the object-oriented features of the language. These features are useful when you want to organize your code into reusable classes and methods.

Specifically, you’ll explore these topics:

* What classes and objects are

* How classes can encapsulate data and behavior

* The different types of methods (instance methods and class methods)

* When to use staticmethods

* How to get information about an object’s class

* How to inherit from another class and customize it

The Zen of Python was written by Tim Peters to highlight the guiding principles behind the Python language. To see them in action, simply write import this in your Python interpreter.

Beautiful is better than ugly.

Explicit is better than implicit.

Simple is better than complex.

Complex is better than complicated.

Flat is better than nested.

Sparse is better than dense.

Readability counts.

Special cases aren’t special enough to break the rules.

Although practicality beats purity.

Errors should never pass silently. Unless explicitly silenced.

In the face of ambiguity, refuse the temptation to guess.

There should be one– and preferably only one –obvious way to do it. Although that way may not be obvious at first unless you’re Dutch. (This was probably a joke)

Now is better than never. Although never is often better than right now.*


Leave a Reply

Your email address will not be published.