Write a program, stored in a file named boundary.py$,$ that performs the following tasks:

$$ Prompts the user to input the name of a text file assumed to be stored in the working directory. We

assume that if the name is valid then the file consists of lines all containing $4$ integers separated by

whitespace, of the form x$1$ y$1$ x$2$ y$2$ where $($x$1,$ y$1)$ and $($x$2,$ y$2)$ are meant to represent the

coordinates of two opposite corners $($lower left and upper right$)$ of a rectangle. With the provided

file rectangles$\_1.$txt$,$ the rectangles can be represented as follows