l1 = [1, 3, 4, 2]
l2 = [1, 4, 9, 5]
l3 = [x for x in l2 is x not in l1]
print(l1)

322a5a072535abe6842a4ecae98e98648c29edf1
<mask token>

<mask token>
print(l1)

l1 = [1, 3, 4, 2]
l2 = [1, 4, 9, 5]
l3 = [x for x in l2 is x not in l1]
print(l1)
