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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 is_buffer(self, address, size):
 """ Determines if the given memory area is a valid code or data buffer. @note: Returns always C{False} for kernel mode addresses. @see: L{mquery} @type address: int @param address: Memory address. @type size: int @param size: Number of bytes. Must be greater than zero. @rtype: bool @return: C{True} if the memory area is a valid code or data buffer, C{False} otherwise. @raise ValueError: The size argument must be greater than zero. @raise WindowsError: On error an exception is raised. """

        if size <= 0:
            raise ValueError("The size argument must be greater than zero")
        while size > 0:
            try:
                mbi = self.mquery(address)
            except WindowsError:
                e = sys.exc_info()[1]
                if e.winerror == win32.ERROR_INVALID_PARAMETER:
                    return False
                raise
            if not mbi.has_content():
                return False
            size = size - mbi.RegionSize
        return True