12海龟跑圈

import turtle
t=turtle.Turtle()
t.hideturtle()
t.penup()
t.goto(-50,-50)
t.pendown()
t.color('red')
t.width(20)
t.fd(100)
t.circle(50,180)
t.fd(100)
t.circle(50,180)
t1=turtle.Turtle()
t1.color('green')
t1.shape('turtle')
t1.penup()
t1.goto(-50,-50)
num=int(input('请输入圈数'))
for x in range(num):
    print('当前是第'+str(x+1)+'圈')
    t1.fd(100)
    t1.circle(50,180)
    t1.fd(100)
    t1.circle(50,180)