save project

1.py

-import turtle
-screen=turtle.Screen()
-screen.bgcolor("yellow")
-
-pen=turtle.Pen()
-pen.penup()
-pen.goto(100,-100)
-pen.shape("turtle")
-pen.write("你\n好",font=("Times",20,"normal"))
-pen.hideturtle()
-
-pen1=turtle.Pen()
-pen1.pencolor("red")
-pen1.pensize(5)
-pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
-pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
-pen1.hideturtle()
-turtle.done()
-

2.py

+import turtle
+pen=turtle.Pen
+import turtle
+screen=turtle.Screen()
+pen=turtle.Pen()
+len=screen.textinput("提示","你想要多大的小牛马")
+len1=int(len)
+for i in range(4):
+    pen.forward(len1)
+    pen.left(90)
+pen.hideturtle()
+turtle.done()
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3.py

+import turtle
+pen=turtle.Pen
+import turtle
+screen=turtle.Screen()
+pen=turtle.Pen()
+len=screen.textinput("提示","你想要多大的小牛马")
+len1=int(len)
+pen.circle(len1)
+pen.circle(len1,360)
\ No newline at end of file