What exactly does the .join() method do?

Question

I\'m pretty new to Python and am completely confused by .join() which I have read is the preferred method for concatenating strings.

I tried:

Answer 1

"".join may be used to copy the string in a list to a variable

>>> myList = list("Hello World")
>>> myString = "".join(myList)
>>> print(myList)
['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd']
>>> print(myString)
Hello World