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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 read_http(self, length):
 """Read Hypertext Transfer Protocol version 2. Structure of HTTP/2 packet [RFC 7230]: | Length (24) | | Type (8) | Flags (8) | |R| Stream Identifier (31) | +=+=============================================================+ """

        _plen = self._read_binary(3)
        _type = self._read_unpack(1)
        _flag = self._read_binary(1)
        _stid = self._read_binary(4)