擅长:python、mysql、java
<p>应该是这样的:</p>
<pre><code>import turtle
def draw_square(t, size):
for i in range(4):
t.forward(size)
t.left(90)
wn = turtle.Screen()
dan = turtle.Turtle()
sizevar = 1
for i in range(10):
draw_square(dan, sizevar)
sizevar += 20
dan.penup()
dan.backward(10)
dan.right(90)
dan.forward(10)
dan.left(90)
dan.pendown()
</code></pre>
<p>每个方块只有10个像素超出前一个。在</p>