Add comments to init.py (#18327)
Add comments to init.py (#18327)


tlby/mxnet,DickJC123/mxnet,szha/mxnet,yajiedesign/mxnet,DickJC123/mxnet,leezu/mxnet,sxjscience/mxnet,leezu/mxnet,leezu/mxnet,yajiedesign/mxnet,tlby/mxnet,szha/mxnet,yajiedesign/mxnet,DickJC123/mxnet,apache/incubator-mxnet,szha/mxnet,sxjscience/mxnet,DickJC123/mxnet,sxjscience/mxnet,szha/mxnet,yajiedesign/mxnet,szha/mxnet,tlby/mxnet,leezu/mxnet,sxjscience/mxnet,yajiedesign/mxnet,tlby/mxnet,szha/mxnet,leezu/mxnet,leezu/mxnet,szha/mxnet,yajiedesign/mxnet,tlby/mxnet,tlby/mxnet,sxjscience/mxnet,apache/incubator-mxnet,szha/mxnet,apache/incubator-mxnet,tlby/mxnet,leezu/mxnet,sxjscience/mxnet,yajiedesign/mxnet,szha/mxnet,yajiedesign/mxnet,tlby/mxnet,sxjscience/mxnet,yajiedesign/mxnet,leezu/mxnet,tlby/mxnet,sxjscience/mxnet,apache/incubator-mxnet,sxjscience/mxnet,tlby/mxnet,leezu/mxnet