from graphics import *
win = GraphWin("Linien", 600, 400)
win.setBackground("yellow")

Line(Point(0,0),Point(100,50)).draw(win)

l1=Line(Point(100,50), Point(500,350))
l1.setWidth(3)
l1.setOutline("red")
l1.draw(win)

l2=Line(Point(100,50), Point(100,350))
l2.setWidth(5)
l2.setOutline("blue")
l2.draw(win)

l3=Line(Point(100,50), Point(500,50))
l3.setWidth(5)
l3.setOutline("green")
l3.draw(win)

# Füge weitere Linien hinzu

win.getMouse() # Wartet auf eine Mausklick in das Fenster
win.close()