Why this code does not draw a window on a python shell?
global winup, win2up class MyUtils(): def showRoundRect(self,can,x,y,width,heigh,rad): can.create_arc(x,y+rad*2,x+rad*2,y,start=90, extent=90,style=ARC) can.create_line(x+rad.y,x+width-rad.y) can.create_arc (x+width-rad*2,y+rad*2,x+width,y, start=0,extent=90, style=ARC) can.create_line(x+width,y+rad,x+width,x+width,y+height-rad) can.create_arc(x+width-rad*2,y+height,x+width,y+height-rad*2,start=270,extent=90, style=ARC) can.create_line(width-rad,y+height,x+rad,y+hieght) can.create_arc(x,y+height,x+rad*2,y+height-rad*2,start=180, extent=90,style=ARC) can.create_line(x,y+height-rad,x,y+rad) def clearRect(self, can,x,y,width,height,rad): can.create_rectangle(x-2,y-2,x+width+rad+4, y+height+rad+4, fill="white", width=0) class myButton(): def __init_