Today’s goal is to improve and refine your existing Python scripts using better structure and basic error handling.

You will take any one script from:

• Day 01 (System Health Script), or
• Day 02 (API & JSON Script)

And enhance it by:

• Organizing the code into functions
• Adding basic exception handling (try / except)
• Improving variable names and readability
• Ensuring the script does not crash on common errors

This task focuses on writing cleaner and safer Python code, which is critical for DevOps automation.

• One improved Python script
• Script should:
  • Run without crashing
  • Handle at least one error gracefully
• Output should be visible in terminal

• Use:
  • try / except for error handling
  • Functions to separate logic
• Example errors to handle:
  • Invalid user input
  • API request failure
  • File not found
• Follow basic Python coding standards (PEP8)
• Do not rewrite everything from scratch
• Focus on improving existing code

• Python exception handling:
  https://docs.python.org/3/tutorial/errors.html

• PEP8 – Python Style Guide (must read):
  https://peps.python.org/pep-0008/

• Python Best Practices (read selectively):
  https://docs.python-guide.org/writing/style/

• Refactoring basics (from live class)

• Your Day 01 / Day 02 scripts

In real-world DevOps:

• Scripts run in production
• Failures are common (network, permissions, input errors)
• Code is often read and modified by others

Following PEP8 and best practices makes your automation:

• Easier to debug
• Easier to maintain
• Safer to run in production environments

1. Update your existing scripts from day-01 and day-02 and update it inside the day-03 folder
2. Ensure the script runs successfully
3. Commit and push your changes to your fork

Share your progress on LinkedIn:

• Post a small code snippet showing improved structure or error handling
• Mention how you applied PEP8 or best practices
• Write 2–3 lines on what you learned today

Optional:

• Tag TrainWithShubham or Shubham Londhe
• Use hashtags: #PythonForDevOps #TrainWithShubham #DevOpsKaJosh (Helps me to filter post and Like/ Comment / Repost / engage)

Happy Learning
TrainWithShubham