How to subtract two strings?

Question

I have a long string, which is basically a list like str=\"lamp, bag, mirror,\" (and other items)

I was wondering if I can add or subtract some items, i

Answer 1

you should convert your string to a list of string then do what you want. look

my_list="lamp, bag, mirror".split(',')
my_list.remove('bag')
my_str = ",".join(my_list)