Python is a powerful and versatile programming language that is used in a wide range of applications. However, as with any programming language, it is important to write clean, efficient, and maintainable code. In this blog post, we will explore some tips for improving your Python code.

1. Follow PEP Coding Guidelines

For Coding Standards always follow the PEP Documentation. PEP stands for Python Enhancement Proposal, and there are several of them. A PEP is a document that describes new features proposed for Python and documents aspects of Python, like design and style, for the community. head over to PEP Documentation for more details.

2. Importing Libraries

Importing libraries in a good way is like adding a good impression to your code. try to import libraries in an organized way or maybe remove libraries that are no longer used in code. follow the below guides for importing libraries.

• Imports should usually be on separate lines.

• Imports should be grouped in the following order also You should put a blank line between each group of imports.

• Always follow the below order while importing libraries.

  1. Standard library imports.

  2. Related third-party imports

  3. Local application/library specific imports.

• Never use * for import.

• always try to import the necessary module

3. Naming Style

When declaring a variable, class, function, etc.. try to add a word that explains what this variable, class, or function does. for example, we want to address car_sales data so when writing code use the variable name as

# use
car_sales = blah_blah_blah
#instead of 
data = blah_blah_blah

The table below outlines some of the common naming styles in Python code and when you should use them:

4. Comments are important

Well, the title of this section says it all. To be honest, when I first started programming, I never used comments in any of my code. But as time passed, I realized how useful comments can be in code.

Coding is not like writing something and getting output. It's like understating the needs of that code based on the problem

Always write a proper comment before starting any code you write. follow below short tips for comments.

• Always make a priority of keeping the comments up-to-date when the code changes!

• Apply Block Comment to complete the whole block of code

• Apply inline block for a specific line of code (when needed).

5. Code Enhancements

Okay, It's time to dive into code enhancement techniques.

• For String Concatenation always use join() Method.

• Try to use Map function for simple code logic in loops. More Details - Python Map

• While iterating over the loop try to use enumerators for faster execution.

# Ex. 
for key,val in enumerate(list): 
    print(key)

• Try to log stuff like errors, and warning using the logging module.

• Try to avoid variable declaration in loops.

• Log time for each function to find the root cause of timing issues.

• Use the profile module to monitor code. See Details

• As said always use the generator object of the list, dict while iterating.

• For easy and fast transformation of data use the pandas library. For A to Z Data operation, you can use the pandas built-in function that is already optimized. Full Book - Python Pandas

• Try to use AioHTTP Module when you calling API inside loops, it is necessary to make API call parallelly in this situation.

• Do not read files directly by executing open(Filename) Check the article for more detail - How to Use Generators and yield in Python

• For Search, Sorting, Swapping, and other data structure operation use an Efficient algorithm.

So that was the tips & tricks to improve code, of course this is not the end of techniques for optimizing the code. I will share other article of improving code for each topics to get better understaing. If you have other techniques put them below in comment and I'll see you guys in next article

Happy Coding....!!!