PyQt5.QWidgets.
QGridLayout
layout = QGridLayout()
addWidget
(widget, row, columnt, row_span=1, column_span=1)layout.addWidget(QPushButton('Left'), 0, 0)
layout.addWidget(QPushButton('Right'), 0, 1)
layout.addWidget(QPushButton('Span 2 columns'), 1, 0, 1, 2)