I copied all of my all code that I had made previously what was originally there the original code import PySide6 import PySide6.QtCore as core import PySide6.QtGui as gui import PySide6.QtWidgets as widgets from PySide6.QtWidgets import QGraphicsScene,QGraphicsView,QGraphicsRectItem,QGraphicsSceneMouseEvent,QGraphicsItem,QGraphicsEllipseItem from PySide6.QtGui import QDragMoveEvent,QCursor from PySide6.QtCore import QEvent, Qt, QPointF,QPoint import sys class Store ( QGraphicsRectItem,QGraphicsEllipseItem,QGraphicsSceneMouseEvent ) : def __init__ ( self , parent = None ) : super ( Store, self ) . __init__ ( parent ) self . setAcceptHoverEvents ( True ) self . setRect ( 650 , 0 , 75 , 75 ) def mousePressEvent ( self , event : PySide6.QtWidgets.QGraphicsSceneMouseEvent ) : self .tower = Tower ( 650 , 0 ) scene. addItem ( self .tower ) def mouseMoveEvent ( self , event ) : og_cursor_pos = event . lastScenePos () new...