Tkinter is a standard GUI library for Python, and it is the most popular Python GUI framework. It is fast, easy-to-use, and provides a wide range of widgets, including buttons, labels, and text boxes.

python iprocess.py 4 33 2 python iprocess.py --sum 10 20 30 In the first case, the program will select and print the largest number. In the second case, it will add all the arguments together.