frozenset () + Counter () + list comprehension
A combination of the above functions can accomplish this task. The
frozenset () function is used to ignore order,
Counter () is used to perform the uniqueness check task, and iteration is performed using a list.
The original list is: [[5, 6], [9, 8], [8, 9], [1, 4], [6, 5] ], [10, 1]] The Unique status of elements is [False, False, False, True, False, True]