from  turtle import*
mad=Turtle()
labdoor1=Turtle()
labdoor1.pu()
labfloor1=Turtle()
labfloor1.pu()
labplatform1=Turtle()
labplatform1.pu()
labplatform2=Turtle()
labplatform2.pu()
labplatform3=Turtle()
labplatform3.pu()
labopendoor1=Turtle()
labopendoor1.pu()
labfloor2=Turtle()
labfloor2.pu()
s=Screen()
s.screensize(500,500)
s.bgpic("lab backbroung(loopable).gif")
s.bgpic()
madr= "right foot"
madl= "left foot"
labdoor= "lab door"
labfloor= "lab floor"
labplatform= "lab platform"
labopendoor= "lab open door"
s.addshape(madr)
s.addshape(madl)
s.addshape(labdoor)
s.addshape(labfloor)
s.addshape(labplatform)
s.addshape(labopendoor)
labdoor1.shape(labdoor)
labfloor1.shape(labfloor)
labfloor2.shape(labfloor)
labplatform1.shape(labplatform)
labplatform2.shape(labplatform)
labplatform3.shape(labplatform)
labopendoor.shape(labopendoor)
mad.shape(madr)
def tortorial():
    labfloor1.goto(-500,-250)
    labfloor2.goto(120,-250)
    labplatform1.goto(-83,0)`