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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 setup_dep_signals(self, ):
 """Setup the signals for the department page :returns: None :rtype: None :raises: None """

        log.debug("Setting up department page signals.")
        self.dep_prj_view_pb.clicked.connect(self.dep_view_prj)
        self.dep_prj_add_pb.clicked.connect(self.dep_add_prj)
        self.dep_prj_remove_pb.clicked.connect(self.dep_remove_prj)
        self.dep_desc_pte.textChanged.connect(self.dep_save)
        self.dep_ordervalue_sb.valueChanged.connect(self.dep_save)