擅长:python、mysql、java
<p>就快到了,只需添加一个笔画:</p>
<pre><code>while x < 100:
t.penup() # <- penup here
x=x-10
y=y+10
t.goto(x,y)
z=z-10
a=a-10
t.pendown() # <- pendown here
t.goto(z,a)
b=b+10
c=c-10
t.goto(b,c)
d=d+10
e=e+10
t.goto(d,e)
t.setposition(x,y)
turtle.done()
</code></pre>