Read the docs: https://python-reference.readthedocs.io/en/latest/docs/str/join.html about how it works. The separator is inserted between the elements of the iterable.

im a bit confused. if name = "john Smith", how does this return "J.S" and not ".JS" as we're joining our list to a string with "." already existing at index 0. How does it index to 1 in the solution? am i missing something here? im a beginner