<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def dims_intersect(self):
 """Dimensions of the arrays in this list that are used in all arrays """

        return set.intersection(*map(
            set, (getattr(arr, 'dims_intersect', arr.dims) for arr in self)))