嵌套循环结构 核发代码 13.7
Python
for i in range(外层次数):
for j in range(内层次数):
# 绘制基本图形
# 图形变换(旋转/平移)for i in range(外层次数):
for j in range(内层次数):
# 绘制基本图形
# 图形变换(旋转/平移)