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Complete this python program:
def make_nditer_cls(nditerty):
assistant
#Here is the Python program you requested.

    """Return the Structure representation of the given *nditerty* (an
    instance of types.NumpyNdIterType).
    """
    ndim = nditerty.ndim
    layout = nditerty.layout
    narrays = len(nditerty.arrays)
    nshapes = (ndim if nditerty.need_shaped_indexing else 1)
    class BaseSubIter(object, ):
        '\n                                Base    class    for    sub-iterators    of    a    nditer()    instance.\n                                '
        def __init__(self, nditer, member_name, start_dim, end_dim):
            self.nditer = nditer
            self.member_name = member_name
            self.start_dim = start_dim
            self.end_dim = end_dim
            self.ndim = (end_dim - start_dim)
        def set_member_ptr(self, ptr):
            setattr(self.nditer, self.member_name, ptr)
        @utils.cached_property
        def member_ptr(self):
            return getattr(self.nditer, self.member_name)
        def init_specific(self, context, builder):
            pass
        def loop_continue(self, context, builder, logical_dim):
            pass
        def loop_break(self, context, builder, logical_dim):
            pass
    class FlatSubIter(BaseSubIter, ):
        '\n                                Sub-iterator    walking    a    contiguous    array    in    physical    order,    with\n                                support    for    broadcasting    (the    index    is    reset    on    the    outer    dimension).\n                                '
        def init_specific(self, context, builder):
            zero = context.get_constant(types.intp, 0)
            self.set_member_ptr(cgutils.alloca_once_value(builder, zero))
        def compute_pointer(self, context, builder, indices, arrty, arr):
            index = builder.load(self.member_ptr)
            return builder.gep(arr.data, [index])
        def loop_continue(self, context, builder, logical_dim):
            if (logical_dim == (self.ndim - 1)):
                index = builder.load(self.member_ptr)
                index = cgutils.increment_index(builder, index)
                builder.store(index, self.member_ptr)
        def...