py 二级习题（turtle）

用turtle画一个正方形

import turtle
turtle.penup()
turtle.goto(-100,-100)
turtle.pendown()

turtle.begin_fill()
turtle.color("blue","green")

for i in range(4):
    turtle.forward(200)
   
    turtle.left(90)
 
   
turtle.end_fill()
turtle.pencolor("red")
turtle.penup()
turtle.goto(-20,100)
turtle.pendown()
turtle.write("汪星人", font = ("times", 15, "bold" ))
turtle.penup()
turtle.goto(-20,-130)
turtle.pendown()
turtle.write("喵星人", font = ("times", 15, "bold"))
turtle.hideturtle()