For setting default browser to chrome, see here. This may not take affect though if you do this after you already installed Anaconda? It may take what was set as default at that time and keep it? If so, see some resources I listed at the bottom.
Just so you know, you can point your Python code at a ChromeDriver on your computer. In other words, Python run straight on your machine, not in a browser, can access it too. Read this. Note /path/to/chromedriver where you can specify where it is.
If there’s more required on your Mac, have you seen:
- mforbes’ comment, dated Nov 1 '16 at 5:38, below this answer.
- Unable to start Jupyter lab or Jupyter notebook in a browser - #10 by ggrrll
- Change default browser in Jupyter Notebook Mac | by Sudarshini Tyagi | Medium
- Setting Chrome as Default browser for Anaconda Jupyter notebook | Simplilearn - Discussions on Certifications