绘制奥运五环主要涉及Pythonturtle绘图库的应用：

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程序源代码为：

importturtle
turtle.width(10)
turtle.color('black')
turtle.circle(50)
turtle.penup()
turtle.goto(120,0)
turtle.pendown()
turtle.color('red')
turtle.circle(50)
turtle.penup()
turtle.goto(240,0)
turtle.pendown()
turtle.color('blue')
turtle.circle(50)
turtle.penup()
turtle.goto(60,-50)
turtle.pendown()
turtle.color('yellow')
turtle.circle(50)
turtle.penup()
turtle.goto(180,-50)
turtle.pendown()
turtle.color('pink')
turtle.circle(50)
#Python绘制奥运五环

运行后，结果如下：