# https://paddle.s3.amazonaws.com/fulfillment_downloads/16090/561130/D6eHc7VCSfGrmsulClgK_create-gui-applications-pyqt5.pdf
# https://www.tutorialspoint.com/pyqt5/pyqt5_tutorial.pdf
# https://digitalforensicforest.com/wp-content/uploads/2017/10/Pyqt-Book.pdf