add docstring
add docstring

SanketDG/networkx,farhaanbukhsh/networkx,debsankha/networkx,kai5263499/networkx,dmoliveira/networkx,jakevdp/networkx,dmoliveira/networkx,NvanAdrichem/networkx,RMKD/networkx,yashu-seth/networkx,jni/networkx,chrisnatali/networkx,RMKD/networkx,kernc/networkx,Sixshaman/networkx,dmoliveira/networkx,ghdk/networkx,OrkoHunter/networkx,harlowja/networkx,aureooms/networkx,jakevdp/networkx,sharifulgeo/networkx,ltiao/networkx,kai5263499/networkx,dhimmel/networkx,debsankha/networkx,aureooms/networkx,jakevdp/networkx,jni/networkx,blublud/networkx,jtorrents/networkx,dhimmel/networkx,ghdk/networkx,bzero/networkx,chrisnatali/networkx,cmtm/networkx,dhimmel/networkx,nathania/networkx,tmilicic/networkx,sharifulgeo/networkx,harlowja/networkx,kai5263499/networkx,ghdk/networkx,blublud/networkx,andnovar/networkx,kernc/networkx,wasade/networkx,michaelpacer/networkx,bzero/networkx,harlowja/networkx,jcurbelo/networkx,kernc/networkx,farhaanbukhsh/networkx,ionanrozenfeld/networkx,blublud/networkx,RMKD/networkx,jfinkels/networkx,jni/networkx,nathania/networkx,chrisnatali/networkx,sharifulgeo/networkx,ionanrozenfeld/networkx,ionanrozenfeld/networkx,JamesClough/networkx,debsankha/networkx,jtorrents/networkx,beni55/networkx,aureooms/networkx,bzero/networkx,farhaanbukhsh/networkx,goulu/networkx,nathania/networkx