python merge lists using join()

Question

I have got the following list:

lst = [['a','!b'], ['91','q'], ['!t','3','p']]

I want the following as output:

test = a and !b or 91 and q or !t and 3 and p

The individual literals in the sublist is made into a single literal and joined using 'and' and then the sublists are joined together using 'or'

I tried the following, can someone correct my code?

   def output(self):
      temp = ['and'.join(sublist[i]) for i in sublist]
      test = ['or'.join(sublist) for sublist in self.lst]
      return self.test

dlask · Accepted Answer · 2015-10-31 10:40:18Z

5

All at once:

def output(lst):
    return " or ".join(" and ".join(s) for s in lst)

answered Oct 31, 2015 at 10:40

dlask

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