human
wrtite a python script to run a calculator app with a gui use tkinter and only implement addition subtraction multiplication and division
the code must use pyqt 
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
No

--- Answer ---
open