python print list as string

1list1 = [1, 2, 3]
2str1 = ''.join(str(e) for e in list1)

1>>> L = [1,2,3]       
2>>> " ".join(str(x) for x in L)
3'1 2 3'

1list1 = ['1', '2', '3']
2str1 = ''.join(list1)

1lines2 = " ".join(lines) 	# Converts the list to a string.
2							# This should work for writing to a file
3file.write(lines2)

1mystring = 'hello, world'
2
3myarray = string1.split(', ') #output => [hello, world]
4
5myjoin1 = ', '.join(myarray) #output => hello, world
6myjoin2 = ' '.join(myarray) #output => hello world
7myjoin3 = ','.join(myarray) #output => hello,world

1array = []
2STR = ''
3for i in array:
4    STR = STR+i