Modern tooling
uv, ruff, pyproject.toml, packaging, and current Python project workflows.
How to Create a Rich Console Progress Bar Mock in Python
This code uses Rich's Console and Progress API to build a simulated progress bar for a long-running task, updating progress and printing status messages.
import time
from rich.console import Console
from rich.progress import Progress, BarColumn, TextColumn, PercentageColumn
console = Console()
def run_simulation():
console.print("[bold cyan]Starting simulated task...[/bold cyan]")
with Progress(
TextColumn("[bold blue]{task.description}[/bold blu…How to Mock docker compose up Healthcheck in Python
Simulate docker compose up with a healthcheck cycle using Python loops, delays, and simulated service statuses.
import subprocess
import time
def run_healthcheck():
"""Mock a docker compose up with a healthcheck cycle."""
services = ["web", "db", "cache"]
print("Starting docker compose services...")
for service in services:
print(f"[{service}] starting...")
time.sleep(0.1)
print(f"[…Browse by section
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Modern tooling — Python code examples
What you will find here
This page collects modern tooling snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.
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.