Atom (sunset by GitHub in 2022) was a great solution for handling program languages like LaTeX, Markdown, Python, and R in a single text editor with a smooth user interface.
Read a few comparisons of the currently popular editors to find the right choice for your needs, e.g.:
- Visual Studio Code by Microsoft is the trending choice and what I would recommend for most users. Its quite plug-and-go as its main edge over other text editors is the range of core features it has out-of-the-box while still offering extensions like LaTeX Workshop in its Marketplace.
- Sublime Text is the older and therefore very common text editor. However, it is slower than VS Code, has poor word-suggestions and updates are infrequent due to not being open source.
- I prefer MiKTeX over TeX Live for writing LaTeX with VS Code. Check out this setup guide by Filipe Salgueiro.
- Python can be installed as a part of installing Anaconda or Miniconda (choose 'Add Anaconda to my PATH environment variable')
- If you don't need Jupyter, you can skip Anaconda/Miniconda and just install Python directly. As a side note: Though you can edit Jupyter Notebooks within VS Code itself, it's arguably still too buggy as compared to using your browser.
- If you need to uninstall Anaconda, read the documentation first. Re-installing can overcome accumulated incompatibility issues that prevent updating to newer versions, but older code might break.
- Update to the latest compatible versions of Anaconda, Conda, Python, and related packages as often as possible by running
conda update anaconda,conda update conda,conda update --allandpip_upgrade_outdated(install this tool first:pip install pip_upgrade_outdated).