Creating a simple GUI application using PyQt involves the following steps −
- Import QtGui module.
- Create an application object.
- A QWidget object creates top level window. Add QLabel object in it.
- Set the caption of label as “hello world”.
- Define the size and position of window by setGeometry() method.
- Enter the mainloop of application by app.exec_() method.
import sys from PyQt4 import QtGui def window(): app = QtGui.QApplication(sys.argv) w = QtGui.QWidget() b = QtGui.QLabel(w) b.setText("Hello World!") w.setGeometry(100,100,200,50) b.move(50,20) w.setWindowTitle(“PyQt”) w.show() sys.exit(app.exec_()) if __name__ == '__main__': window()The above code produces the following output −
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