<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _assign_intersection(lhs_arr, rhs_arr, offset):
 """Assign the intersecting region from ``rhs_arr`` to ``lhs_arr``."""

    lhs_slc, rhs_slc = _intersection_slice_tuples(lhs_arr, rhs_arr, offset)
    lhs_arr[lhs_slc] = rhs_arr[rhs_slc]