Transmit extra data with signals in PyQt5

Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the observer pattern while

The connection information between a signal and a slot is completely held between the connected sender and receiver objects

signal and slot qt 使用Qt的信号和槽（Signals and Slots）机制有以下好处：松耦合：通过信号和槽，对象之间的通信是松耦合的。发送者不需要知道接收者的具体实现细节，

signal and slot in qt The use of Qt's signals and slots adds a little overhead The classes ClimateModel and ClimateEcuTwin must both inherit QObject and define the