def square_submit(self):
try:
rib = float(self.squareRib_input.text())
square = Square(rib)
area = square.area()
area = self.isFloat(area)
area = self.toCommas(area)
scope = square.scope()
scope = self.isFloat(scope)
scope = self.toCommas(scope)
diagonal = square.diagonals()
diagonal = self.isFloat(diagonal)
diagonal = self.toCommas(diagonal)
self.square_area_label.setText(f"Area(Square cm): {str(area)}")
self.square_scope_label.setText(f"Scope(cm): {str(scope)}")
self.square_diagonals_label.setText(f"Diagonals Length: {str(diagonal)}")
except ValueError:
error = QMessageBox()
error.setWindowTitle("Error")
error.setText("Please type a number!")
error.setIcon(QMessageBox.Critical)
x = error.exec_()
