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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 get_command_line_block(self):
 """ Retrieves the command line block memory address and size. @rtype: tuple(int, int) @return: Tuple with the memory address of the command line block and it's maximum size in Unicode characters. @raise WindowsError: On error an exception is raised. """

        peb = self.get_peb()
        pp = self.read_structure(peb.ProcessParameters,
                                             win32.RTL_USER_PROCESS_PARAMETERS)
        s = pp.CommandLine
        return (s.Buffer, s.MaximumLength)