Im learning python but I dont understand what this line does? or how many options there is?
This line is called a shebang and it tells the kernel which interpreter to use on the script.
For example, if a script is named with the path
path/to/script, and it starts with the line
#!/bin/sh, then the program loader is instructed to run the program
path/to/script as the first argument.
In your instance, the kernel will use whatever
/usr/bin/python points to (I think it is by default