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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_find(head, len_, attrtype):
 """Find a single attribute in a stream of attributes. https://github.com/thom311/libnl/blob/libnl3_2_25/lib/attr.c#L323 Iterates over the stream of attributes and compares each type with the type specified. Returns the first attribute which matches the type. Positional arguments: head -- first nlattr with more in its bytearray payload (nlattr class instance). len_ -- length of attributes stream (integer). attrtype -- attribute type to look for (integer). Returns: Attribute found (nlattr class instance) or None. """

    rem = c_int()
    for nla in nla_for_each_attr(head, len_, rem):
        if nla_type(nla) == attrtype:
            return nla
    return None