题目:绘制下面的图形

解析:
使用二重循环绘制四个方块。答案:
方法一import turtle as t
for i in range(0,4):
for j in range(0,4):
t.fd(50)
t.rt(90)
t.rt(90)
t.fd(50)import turtle as t
for i in range(0,4):
for j in range(0,7):
t.fd(50)
t.rt(90)
t.rt(180)