Colaboratory, or Colab for short, is an online programming platform launched by Google's research team. Users can write and run Python code directly in their web browsers and leverage Google Cloud's free GPU/TPU resources for accelerated execution. Colab offers a range of functionalities including code editor, interactive execution, and visualization of results. It allows for the insertion of text, formulas, and images, making it an excellent assistant for data analysis and machine learning tasks. Key advantages include ease of setup, free GPU usage, and convenient sharing. Suitable for students, data scientists, AI researchers, and others to write Python code.