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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 parse_report(self, buf):
 """Parse a buffer containing a HID report."""

        dpad = buf[5] % 16

        return DS4Report(
            # Left analog stick
            buf[1], buf[2],

            # Right analog stick
            buf[3], buf[4],

            # L2 and R2 analog
            buf[8], buf[9],

            # DPad up, down, left, right
            (dpad in (0, 1, 7)), (dpad in (3, 4, 5)),
            (dpad in (5, 6, 7)), (dpad in (1, 2, 3)),

            # Buttons cross, circle, square, triangle
            (buf[5] & 32) != 0, (buf[5] & 64) != 0,
            (buf[5] & 16) != 0, (buf[5] & 128) != 0,

            # L1, L2 and L3 buttons
            (buf[6] & 1) != 0, (buf[6] & 4) != 0, (buf[6] & 64) != 0,

            # R1, R2,and R3 buttons
            (buf[6] & 2) != 0, (buf[6] & 8) != 0, (buf[6] & 128) != 0,

            # Share and option buttons
            (buf[6] & 16) != 0, (buf[6] & 32) != 0,

            # Trackpad and PS buttons
            (buf[7] & 2) != 0, (buf[7] & 1) != 0,

            # Acceleration
            S16LE.unpack_from(buf, 13)[0],
            S16LE.unpack_from(buf, 15)[0],
            S16LE.unpack_from(buf, 17)[0],

            # Orientation
            -(S16LE.unpack_from(buf, 19)[0]),
            S16LE.unpack_from(buf, 21)[0],
            S16LE.unpack_from(buf, 23)[0],

            # Trackpad touch 1: id, active, x, y
            buf[35] & 0x7f, (buf[35] >> 7) == 0,
            ((buf[37] & 0x0f) << 8) | buf[36],
            buf[38] << 4 | ((buf[37] & 0xf0) >> 4),

            # Trackpad touch 2: id, active, x, y
            buf[39] & 0x7f, (buf[39] >> 7) == 0,
            ((buf[41] & 0x0f) << 8) | buf[40],
            buf[42] << 4 | ((buf[41] & 0xf0) >> 4),

            # Timestamp and battery
            buf[7] >> 2,
            buf[30] % 16,

            # External inputs (usb, audio, mic)
            (buf[30] & 16) != 0, (buf[30] & 32) != 0,
            (buf[30] & 64) != 0
        )