Reference library

Python Code Samples

Copy-ready Python snippets by topic and difficulty — short, focused, and runnable in the browser editor.

1 match
ML engineering pipelines easy

How to Simulate an Airflow ML Pipeline in Python

Mock an Airflow ML pipeline in plain Python by defining steps, simulating their execution with delays, and returning a success summary.

airflow ml pipeline
Python
from datetime import datetime, timedelta
import time


class MLPipeline:
    def __init__(self, pipeline_name):
        self.pipeline_name = pipeline_name
        self.steps = []

    def add_step(self, step_name, duration_seconds):
        self.steps.append({"name": step_name, "duration": duration_seconds})

    def …
13 0 Open

Browse by section

Each section groups closely related Python snippets.

Guide: free Python code samples library

Copy-ready Python snippets for learners and developers

PythonSkillset code samples are short, focused examples organised by topic and difficulty. Every snippet is server-rendered HTML — readable by search engines and easy to copy. Open any sample, read the notes, copy the code, then press Try in editor to run it in the browser with Pyodide.

How to use this library

  1. Pick a topic section — strings, lists, files, functions, and more
  2. Open a sample, read How it works, and copy the code block
  3. Run it in the IDE, tweak values, then take a related quiz or tutorial lesson

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.