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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def nla_for_each_attr(head, len_, rem):
 """Iterate over a stream of attributes. https://github.com/thom311/libnl/blob/libnl3_2_25/include/netlink/attr.h#L262 Positional arguments: head -- first nlattr with more in its bytearray payload (nlattr class instance). len_ -- length of attribute stream (integer). rem -- initialized to len, holds bytes currently remaining in stream (c_int). Returns: Generator yielding nlattr instances. """

    pos = head
    rem.value = len_
    while nla_ok(pos, rem):
        yield pos
        pos = nla_next(pos, rem)