update python guide
update python guide

rahul003/mxnet,reminisce/mxnet,reminisce/mxnet,szha/mxnet,arikpoz/mxnet,precedenceguo/mxnet,smolix/incubator-mxnet,mbaijal/incubator-mxnet,weleen/mxnet,hotpxl/mxnet,weleen/mxnet,luoyetx/mxnet,wangyum/mxnet,jiajiechen/mxnet,hpi-xnor/BMXNet,Prasad9/incubator-mxnet,hotpxl/mxnet,wangyum/mxnet,precedenceguo/mxnet,mbaijal/incubator-mxnet,reminisce/mxnet,saurabh3949/mxnet,stefanhenneking/mxnet,reminisce/mxnet,Guneet-Dhillon/mxnet,solin319/incubator-mxnet,Prasad9/incubator-mxnet,rishita/mxnet,tlby/mxnet,yajiedesign/mxnet,fullfanta/mxnet,szha/mxnet,larroy/mxnet,Ldpe2G/mxnet,tlby/mxnet,arikpoz/mxnet,arikpoz/mxnet,hotpxl/mxnet,tlby/mxnet,zhreshold/mxnet,arikpoz/mxnet,crazy-cat/incubator-mxnet,ptrendx/mxnet,arank/mxnet,luoyetx/mxnet,yajiedesign/mxnet,solin319/incubator-mxnet,nicklhy/mxnet,zhreshold/mxnet,hpi-xnor/BMXNet,antoan2/incubator-mxnet,lxn2/mxnet,indhub/mxnet,ZihengJiang/mxnet,rahul003/mxnet,thirdwing/mxnet,yuruofeifei/mxnet,Ldpe2G/mxnet,reminisce/mxnet,sxjscience/mxnet,danithaca/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,dmlc/mxnet,reminisce/mxnet,formath/mxnet,kevinthesun/mxnet,eric-haibin-lin/mxnet,jermainewang/mxnet,szha/mxnet,solin319/incubator-mxnet,crazy-cat/incubator-mxnet,saurabh3949/mxnet,hesseltuinhof/mxnet,danithaca/mxnet,apaleyes/mxnet,DR08/mxnet,thirdwing/mxnet,jermainewang/mxnet,EvanzzzZ/mxnet,LinkHS/incubator-mxnet,pluskid/mxnet,thirdwing/mxnet,Northrend/mxnet,navrasio/mxnet,likelyzhao/mxnet,yuruofeifei/mxnet,kkk669/mxnet,jennyzhang0215/incubator-mxnet,yuruofeifei/mxnet,rishita/mxnet,EvanzzzZ/mxnet,jennyzhang0215/incubator-mxnet,jamesliu/mxnet,yuruofeifei/mxnet,Northrend/mxnet,Northrend/mxnet,ptrendx/mxnet,ZihengJiang/mxnet,Mega-DatA-Lab/mxnet,apache/incubator-mxnet,lxn2/mxnet,Northrend/mxnet,jamesliu/mxnet,hesseltuinhof/mxnet,danithaca/mxnet,nicklhy/mxnet,sergeykolychev/mxnet,yajiedesign/mxnet,ZihengJiang/mxnet,nicklhy/mxnet,leezu/mxnet,DR08/mxnet,smolix/incubator-mxnet,coder-james/mxnet,sergeykolychev/mxnet,LinkHS/incubator-mxnet,navrasio/mxnet,zhreshold/mxnet,rishita/mxnet,vikingMei/mxnet,coder-james/mxnet,crazy-cat/incubator-mxnet,yajiedesign/mxnet,lxn2/mxnet,yajiedesign/mxnet,TuSimple/mxnet,pluskid/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,kevinthesun/mxnet,yuruofeifei/mxnet,madjam/mxnet,dmlc/mxnet,eric-haibin-lin/mxnet,formath/mxnet,leezu/mxnet,TuSimple/mxnet,LinkHS/incubator-mxnet,yajiedesign/mxnet,crazy-cat/incubator-mxnet,antoan2/incubator-mxnet,ZihengJiang/mxnet,rahul003/mxnet,saurabh3949/mxnet,coder-james/mxnet,ForkedReposBak/mxnet,jiajiechen/mxnet,Ldpe2G/mxnet,arank/mxnet,weleen/mxnet,DR08/mxnet,smolix/incubator-mxnet,nicklhy/mxnet,piiswrong/mxnet,Northrend/mxnet,fullfanta/mxnet,coder-james/mxnet,Prasad9/incubator-mxnet,ForkedReposBak/mxnet,indhub/mxnet,leezu/mxnet,hotpxl/mxnet,precedenceguo/mxnet,jermainewang/mxnet,rishita/mxnet,LinkHS/incubator-mxnet,tlby/mxnet,rahul003/mxnet,likelyzhao/mxnet,tornadomeet/mxnet,CodingCat/mxnet,kevinthesun/mxnet,antoan2/incubator-mxnet,CodingCat/mxnet,rishita/mxnet,DR08/mxnet,CodingCat/mxnet,tlby/mxnet,rahul003/mxnet,CodingCat/mxnet,jamesliu/mxnet,xcgoner/dist-mxnet,DickJC123/mxnet,yajiedesign/mxnet,vikingMei/mxnet,dmlc/mxnet,kevinthesun/mxnet,jennyzhang0215/incubator-mxnet,jamesliu/mxnet,likelyzhao/mxnet,larroy/mxnet,arikpoz/mxnet,stefanhenneking/mxnet,vikingMei/mxnet,ykim362/mxnet,arank/mxnet,formath/mxnet,antoan2/incubator-mxnet,madjam/mxnet,kevinthesun/mxnet,piiswrong/mxnet,stefanhenneking/mxnet,vikingMei/mxnet,arikpoz/mxnet,lxn2/mxnet,eric-haibin-lin/mxnet,jiajiechen/mxnet,rishita/mxnet,stefanhenneking/mxnet,Guneet-Dhillon/mxnet,Ldpe2G/mxnet,Mega-DatA-Lab/mxnet,hotpxl/mxnet,weleen/mxnet,gautamkmr/incubator-mxnet,sergeykolychev/mxnet,zhreshold/mxnet,indhub/mxnet,ykim362/mxnet,mbaijal/incubator-mxnet,apaleyes/mxnet,apaleyes/mxnet,jennyzhang0215/incubator-mxnet,eric-haibin-lin/mxnet,ZihengJiang/mxnet,weleen/mxnet,thirdwing/mxnet,likelyzhao/mxnet,rishita/mxnet,jermainewang/mxnet,kkk669/mxnet,xcgoner/dist-mxnet,zhreshold/mxnet,danithaca/mxnet,lxn2/mxnet,Guneet-Dhillon/mxnet,stefanhenneking/mxnet,pluskid/mxnet,thirdwing/mxnet,jamesliu/mxnet,madjam/mxnet,solin319/incubator-mxnet,vikingMei/mxnet,DickJC123/mxnet,jennyzhang0215/incubator-mxnet,saurabh3949/mxnet,rahul003/mxnet,madjam/mxnet,smolix/incubator-mxnet,reminisce/mxnet,ptrendx/mxnet,ptrendx/mxnet,eric-haibin-lin/mxnet,crazy-cat/incubator-mxnet,ykim362/mxnet,ptrendx/mxnet,jennyzhang0215/incubator-mxnet,kkk669/mxnet,solin319/incubator-mxnet,arank/mxnet,leezu/mxnet,ptrendx/mxnet,jiajiechen/mxnet,Mega-DatA-Lab/mxnet,ShownX/incubator-mxnet,mbaijal/incubator-mxnet,Mega-DatA-Lab/mxnet,kkk669/mxnet,dmlc/mxnet,hotpxl/mxnet,pluskid/mxnet,luoyetx/mxnet,sxjscience/mxnet,xcgoner/dist-mxnet,formath/mxnet,rishita/mxnet,TuSimple/mxnet,hesseltuinhof/mxnet,smolix/incubator-mxnet,DR08/mxnet,hotpxl/mxnet,saurabh3949/mxnet,arank/mxnet,kkk669/mxnet,nicklhy/mxnet,ShownX/incubator-mxnet,hesseltuinhof/mxnet,Guneet-Dhillon/mxnet,EvanzzzZ/mxnet,rahul003/mxnet,antoan2/incubator-mxnet,zhreshold/mxnet,tornadomeet/mxnet,ZihengJiang/mxnet,nicklhy/mxnet,kkk669/mxnet,nicklhy/mxnet,szha/mxnet,tornadomeet/mxnet,kevinthesun/mxnet,DickJC123/mxnet,stefanhenneking/mxnet,gautamkmr/incubator-mxnet,crazy-cat/incubator-mxnet,ykim362/mxnet,hpi-xnor/BMXNet,Northrend/mxnet,solin319/incubator-mxnet,CodingCat/mxnet,vikingMei/mxnet,apaleyes/mxnet,ForkedReposBak/mxnet,Prasad9/incubator-mxnet,Ldpe2G/mxnet,Prasad9/incubator-mxnet,szha/mxnet,lxn2/mxnet,saurabh3949/mxnet,likelyzhao/mxnet,CodingCat/mxnet,kevinthesun/mxnet,jermainewang/mxnet,jamesliu/mxnet,xcgoner/dist-mxnet,szha/mxnet,leezu/mxnet,likelyzhao/mxnet,larroy/mxnet,Prasad9/incubator-mxnet,mbaijal/incubator-mxnet,xcgoner/dist-mxnet,Prasad9/incubator-mxnet,jermainewang/mxnet,wangyum/mxnet,apaleyes/mxnet,indhub/mxnet,kkk669/mxnet,larroy/mxnet,jennyzhang0215/incubator-mxnet,Mega-DatA-Lab/mxnet,Prasad9/incubator-mxnet,wangyum/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,tlby/mxnet,lxn2/mxnet,eric-haibin-lin/mxnet,thirdwing/mxnet,ShownX/incubator-mxnet,likelyzhao/mxnet,rishita/mxnet,navrasio/mxnet,danithaca/mxnet,LinkHS/incubator-mxnet,navrasio/mxnet,formath/mxnet,sxjscience/mxnet,precedenceguo/mxnet,apaleyes/mxnet,piiswrong/mxnet,jamesliu/mxnet,precedenceguo/mxnet,ZihengJiang/mxnet,EvanzzzZ/mxnet,xcgoner/dist-mxnet,danithaca/mxnet,nicklhy/mxnet,apache/incubator-mxnet,yuruofeifei/mxnet,piiswrong/mxnet,ShownX/incubator-mxnet,Mega-DatA-Lab/mxnet,reminisce/mxnet,antoan2/incubator-mxnet,madjam/mxnet,eric-haibin-lin/mxnet,zhreshold/mxnet,jiajiechen/mxnet,hesseltuinhof/mxnet,smolix/incubator-mxnet,navrasio/mxnet,sergeykolychev/mxnet,DR08/mxnet,ptrendx/mxnet,TuSimple/mxnet,hotpxl/mxnet,ZihengJiang/mxnet,jermainewang/mxnet,hesseltuinhof/mxnet,apaleyes/mxnet,gautamkmr/incubator-mxnet,yajiedesign/mxnet,fullfanta/mxnet,formath/mxnet,smolix/incubator-mxnet,Guneet-Dhillon/mxnet,piiswrong/mxnet,tornadomeet/mxnet,xcgoner/dist-mxnet,ZihengJiang/mxnet,TuSimple/mxnet,jamesliu/mxnet,reminisce/mxnet,hpi-xnor/BMXNet,jermainewang/mxnet,coder-james/mxnet,sergeykolychev/mxnet,yuruofeifei/mxnet,coder-james/mxnet,formath/mxnet,ptrendx/mxnet,reminisce/mxnet,Northrend/mxnet,pluskid/mxnet,stefanhenneking/mxnet,kevinthesun/mxnet,hesseltuinhof/mxnet,formath/mxnet,tornadomeet/mxnet,arikpoz/mxnet,arank/mxnet,jennyzhang0215/incubator-mxnet,ForkedReposBak/mxnet,dmlc/mxnet,szha/mxnet,ykim362/mxnet,leezu/mxnet,danithaca/mxnet,larroy/mxnet,apache/incubator-mxnet,arank/mxnet,weleen/mxnet,mbaijal/incubator-mxnet,sxjscience/mxnet,rahul003/mxnet,Northrend/mxnet,LinkHS/incubator-mxnet,Ldpe2G/mxnet,tornadomeet/mxnet,wangyum/mxnet,nicklhy/mxnet,hpi-xnor/BMXNet,jamesliu/mxnet,fullfanta/mxnet,xcgoner/dist-mxnet,danithaca/mxnet,EvanzzzZ/mxnet,stefanhenneking/mxnet,kkk669/mxnet,piiswrong/mxnet,sxjscience/mxnet,hpi-xnor/BMXNet,DR08/mxnet,Northrend/mxnet,solin319/incubator-mxnet,coder-james/mxnet,EvanzzzZ/mxnet,solin319/incubator-mxnet,fullfanta/mxnet,tlby/mxnet,sergeykolychev/mxnet,indhub/mxnet,madjam/mxnet,LinkHS/incubator-mxnet,szha/mxnet,likelyzhao/mxnet,madjam/mxnet,Mega-DatA-Lab/mxnet,DR08/mxnet,yuruofeifei/mxnet,ShownX/incubator-mxnet,thirdwing/mxnet,dmlc/mxnet,antoan2/incubator-mxnet,antoan2/incubator-mxnet,danithaca/mxnet,kevinthesun/mxnet,sxjscience/mxnet,weleen/mxnet,szha/mxnet,apaleyes/mxnet,DickJC123/mxnet,DR08/mxnet,gautamkmr/incubator-mxnet,Mega-DatA-Lab/mxnet,TuSimple/mxnet,smolix/incubator-mxnet,jermainewang/mxnet,jiajiechen/mxnet,zhreshold/mxnet,larroy/mxnet,crazy-cat/incubator-mxnet,ykim362/mxnet,vikingMei/mxnet,navrasio/mxnet,fullfanta/mxnet,madjam/mxnet,antoan2/incubator-mxnet,wangyum/mxnet,ykim362/mxnet,ForkedReposBak/mxnet,piiswrong/mxnet,hotpxl/mxnet,TuSimple/mxnet,arikpoz/mxnet,saurabh3949/mxnet,navrasio/mxnet,gautamkmr/incubator-mxnet,wangyum/mxnet,vikingMei/mxnet,hesseltuinhof/mxnet,ForkedReposBak/mxnet,vikingMei/mxnet,madjam/mxnet,larroy/mxnet,solin319/incubator-mxnet,smolix/incubator-mxnet,hpi-xnor/BMXNet,ykim362/mxnet,dmlc/mxnet,likelyzhao/mxnet,arank/mxnet,tornadomeet/mxnet,wangyum/mxnet,tornadomeet/mxnet,Guneet-Dhillon/mxnet,LinkHS/incubator-mxnet,arank/mxnet,dmlc/mxnet,luoyetx/mxnet,ShownX/incubator-mxnet,tlby/mxnet,EvanzzzZ/mxnet,navrasio/mxnet,sergeykolychev/mxnet,thirdwing/mxnet,precedenceguo/mxnet,fullfanta/mxnet,ForkedReposBak/mxnet,piiswrong/mxnet,yuruofeifei/mxnet,weleen/mxnet,coder-james/mxnet,ForkedReposBak/mxnet,mbaijal/incubator-mxnet,indhub/mxnet,saurabh3949/mxnet,sergeykolychev/mxnet,apaleyes/mxnet,pluskid/mxnet,Guneet-Dhillon/mxnet,ShownX/incubator-mxnet,CodingCat/mxnet,Ldpe2G/mxnet,tlby/mxnet,luoyetx/mxnet,gautamkmr/incubator-mxnet,leezu/mxnet,saurabh3949/mxnet,gautamkmr/incubator-mxnet,crazy-cat/incubator-mxnet,gautamkmr/incubator-mxnet,hesseltuinhof/mxnet,Prasad9/incubator-mxnet,lxn2/mxnet,formath/mxnet,ptrendx/mxnet,dmlc/mxnet,tornadomeet/mxnet,TuSimple/mxnet,sergeykolychev/mxnet,TuSimple/mxnet,gautamkmr/incubator-mxnet,wangyum/mxnet,precedenceguo/mxnet,jiajiechen/mxnet,EvanzzzZ/mxnet,thirdwing/mxnet,larroy/mxnet,jennyzhang0215/incubator-mxnet,xcgoner/dist-mxnet,indhub/mxnet,hpi-xnor/BMXNet,ykim362/mxnet,indhub/mxnet,sxjscience/mxnet,luoyetx/mxnet,leezu/mxnet,luoyetx/mxnet,Ldpe2G/mxnet,jiajiechen/mxnet,leezu/mxnet,navrasio/mxnet,fullfanta/mxnet,larroy/mxnet,precedenceguo/mxnet,luoyetx/mxnet,crazy-cat/incubator-mxnet,mbaijal/incubator-mxnet,precedenceguo/mxnet,ShownX/incubator-mxnet,piiswrong/mxnet,fullfanta/mxnet,ptrendx/mxnet,CodingCat/mxnet,LinkHS/incubator-mxnet,Ldpe2G/mxnet,zhreshold/mxnet,coder-james/mxnet,rahul003/mxnet,arikpoz/mxnet,eric-haibin-lin/mxnet,stefanhenneking/mxnet,CodingCat/mxnet,pluskid/mxnet,apache/incubator-mxnet,pluskid/mxnet,ShownX/incubator-mxnet,hpi-xnor/BMXNet,luoyetx/mxnet,yajiedesign/mxnet,lxn2/mxnet,EvanzzzZ/mxnet,indhub/mxnet,kkk669/mxnet,sxjscience/mxnet,jiajiechen/mxnet,Mega-DatA-Lab/mxnet,pluskid/mxnet,weleen/mxnet,mbaijal/incubator-mxnet,TuSimple/mxnet