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import turtle
turtle.pensize(10)
turtle.color("blue") #定义颜色
turtle.penup() #penup和pendown()设置画笔抬起或放下时是否绘制直线
turtle.goto(-110,-25) #初始位置以中心坐标为(0,0)
turtle.pendown()
turtle.circle(45) #绘制圆的半径
turtle.pensize(10)
turtle.color("black")
turtle.penup()
turtle.goto(0,-25)
turtle.pendown()
turtle.circle(45)
turtle.pensize(10)
turtle.color("red")
turtle.penup()
turtle.goto(110,-25)
turtle.pendown()
turtle.circle(45)
turtle.pensize(10)
turtle.color("yellow")
turtle.penup()
turtle.goto(-55,-75)
turtle.pendown()
turtle.circle(45)
turtle.pensize(10)
turtle.color("green")
turtle.penup()
turtle.goto(55,-75)
turtle.pendown()
turtle.circle(45)
