Thank you for your time and answer
I wanted to go further and then compare the first item of the vector's list only so I tried the code bellow but I get a TypeError:

I wanted to go further and then compare the first item of the vector's list only so I tried the code bellow but I get a TypeError:
S = set(tuple(x[1]) for x in list1[0]) result = [x for x in list2[0] if tuple(x[1]) not in S]