Exercise $6\mathrm{.}3$: Matrix of $0s$ and $1s$

Define a function to print a matrix of randomly generated $0$ s and $1s$ given a size of the matrix. Prompt user for the size, and use a function to print the matrix.

Sample output:

Enter the size of the matrix: $4$

$1111$

$1000$

$0100$

$1111$