I want script in python3 with QGIS 3? For example: This code create a layout **2019_A4** and add Layout Manager. I need a code make same in QGIS3 using **QgsLayoutManager** with Methods **duplicateLayout** Here: https://qgis.org/pyqgis/3.4/core/QgsLayoutManager.html from qgis.PyQt.QtCore import * from qgis.core import * # A Project, Manager, & PrintLayout Classes project = QgsProject.instance() manager = project.layoutManager() layout = QgsPrintLayout(project) layout.initializeDefaults() layout.setName('2019_A') manager.addLayout(layout)