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

/* code_begins */

{{{
A=matrix([[1,0],[0,1]])
print A
A.inverse()
A.inverse()
print A
}}}

/* code_ends */

 * '''Solution by''': 
   * <Naveen.gaddam>, <student>, <vits>
   * <Shravan>, <student>, <vits>