is it possible to convert list to str in python code example

Example 1: how do i convert a list to a string in python

lines2 = " ".join(lines) 	# Converts the list to a string.
							# This should work for writing to a file
file.write(lines2)

Example 2: how to convert a list to a string in python

array = []
STR = ''
for i in array:
    STR = STR+i