$7\mathrm{.}1$ Develop a python program which will initialize array dynamically, take input values for array, and

display the values of array on the console.

$7\mathrm{.}2$ Develop a python program which will find the sub$-$matrix of size of $2$ by $2$ with maximum sum of

its elements from a two$-$dimensional rectangular $($example: $4$ rows and $6$ columns$)$ array

$($matrix$)$ of integers, and print it to the console.