save project

diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 import turtle
 pen=turtle.Pen()
+a=input("多大？")
 pen.pensize(5)
 pen.speed(1000)
 pen.color("yellow")
 pen.fillcolor("green")
 pen.begin_fill()
 pen.left(45)
-pen.forward(100)
-pen.circle(50,180)
+pen.forward(float(a))
+pen.circle(float(a)/2,180)
 pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
+pen.circle(float(a)/2,180)
+pen.forward(float(a))
 
 pen.end_fill()
 pen.up()