Deleting a branch is permanent. It CANNOT be undone. Continue?
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Deleting a branch is permanent. It CANNOT be undone. Continue?
#2创建三维坐标对象中，fig=plt.figure(figsize=(8,7))是干什么用的？
好像是表示平面大小的，类似于平面的长和宽
课本190页有讲到，可以创建一个空白画布，可以指定画布的大小和像素
明白了明白了，谢谢大家~