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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 open_default_resource_manager(library):
 """This function returns a session to the Default Resource Manager resource. Corresponds to viOpenDefaultRM function of the VISA library. :param library: the visa library wrapped by ctypes. :return: Unique logical identifier to a Default Resource Manager session, return value of the library call. :rtype: session, :class:`pyvisa.constants.StatusCode` """

    session = ViSession()
    ret = library.viOpenDefaultRM(byref(session))
    return session.value, ret