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Python

Python is a powerful, high-level, open-source programming language known for its readability, versatility, and large ecosystem. It is widely used in web development, data science, automation, scripting, machine learning, and more.

📚 Documentation & Cheatsheets​

🛠️ Commands and Path​

`/usr/local/bin/python3` on macOS (Homebrew)
`/usr/bin/python3` or `/usr/local/bin/python3` on linux
`/usr/local/lib/python3.x/site-packages` macOS/Linux installed packages
python3 --version               # Show Python 3 version
which python3                   # Show Python 3 binary location
pip --version                   # Show pip version
pip list                        # List installed packages
pip install <package>           # Install a package
pip uninstall <package>         # Uninstall a package
python3                         # Start Python REPL
python3 script.py               # Run a Python script
pip3 install virtualenv         # Venv allow you to manage dependencies for different projects separately
python3 -m venv venv            # Create a virtual environment
source venv/bin/activate        # Activate virtualenv (Linux/macOS)
deactivate                      # Deactivate virtualenv

📦 Packages & Tools​

  • PyPI - Python Package Index
  • Pip - Package installer
  • Virtualenv - Isolated environments
  • PipX - Run Python applications in isolated environments
  • Ruff, Pylint - Code analysis/formatting
  • Pyperf - Toolkit to run Python benchmarks

🧑‍💻 Learning & Practice​

📖 Books​

🎓 Courses​

💡 Projects & Ideas​

📝 Interview Prep​

  • Cracking the Coding Interview
  • Elements of Programming Interview in Python

🧰 Useful Tools​

📝 Notes​

  • Python is cross-platform and runs on Windows, macOS, and Linux.
  • Use virtual environments for each project to avoid dependency conflicts.
  • The Python community is large and supportive use forums, Stack Overflow, and GitHub for help.