[PYQGIS] selection and query samples

layer = iface.activeLayer()
qry = '"LINE_NAME" = \'신분당선\''
expr = QgsExpression(qry)
selection = layer.getFeatures(QgsFeatureRequest(expr))
ids = [s.id() for s in selection]
layer.selectByIds(ids)
iface.mapCanvas().zoomToSelected()