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

/* code_begins */

{{{
m=Graph({1:[2,9],2:[1,5,8],3:[4,5,12],4:[3],5:[2,3,6,8,9],6:[3,5,7],7:[6,8],8:[2,5,10,11],9:[1,5],10:[8,11],11:[8,10,12],12:[3,11]})
}}}
m.plot()
p=m.hamiltonian_cycle()
       Traceback (click to the left of this block for traceback)
       ...
       ValueError: The given graph is not hamiltonian     //final output

/* code_ends */

 * '''Solution by''': 
   * J.Aditya, Student, Snist