For Latex, if you do not know how the command of some symbol, you can try https://detexify.kirelabs.org/classify.html There you can draw the symbol you want and the program will try to recognize it and tell you the command.
In case you do not feel very comfortable with Python, I have been told that https://thonny.org/ can be helpful, as can be the course Python for everybody - https://www.py4e.com/.