auto save

diy1.py

+import turtle
+turtle.pencolor("red")
+turtle.pensize(2)
+turtle.goto(200)
+turtle.circle(45)
+turtle.right(90)
+
+

diy2.py

+n = int(input("请输入奶牛的头数"))
+m = 20*n*7
+print(n,"头奶牛7天可以产",m,"千克牛奶")
\ No newline at end of file