||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
A=array([[1,0],[0,1]])
 A.shape
 dot(A,A)
 

}}}

/* code_ends */

 * '''Solution by''': 
   * <g.mamatha>, <student >, <prakasam engg college>
   * <VVL Amruthavalli>, <student>, <prakasam engg college>