||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
g=Graph()
g = Graph({1:[2,4,6], 2:[1,3,5],3:[2,4,6],4:[3,1,5],5:[2,4,6],6:[1,3,5]});
g.plot()
g.coloring()
[[2, 4, 6], [1, 3, 5]] //output

g.chromatic_number()
 2 //output
//code demonstrates adjacent vertices are colored differently


}}}

/* code_ends */

 * '''Solution by''': 
   * Koumudi, Student, SNIST