Convert Comma Separated String To List
my_list = my_string.split(',')
Note, when you split a string on a character that it also ends with, you’ll end up with an empty string at the end of the list.
Convert List into comma separated string
# 'delimiter'.join(list_you_want_to_join)
# So:
my_string = ','.join(my_list_of_strings)
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