import tkinter import json window = tkinter.Tk() settings =[] with open('./settings.json', encoding='utf-8')as json_file: json_data = json.load(json_file) settings.append(json_data['window_name']) settings.append(json_data['window_position']) settings.append(json_data['branch_location']) settings.append(json_data['surgery_room_number']) window.title(settings[0]) window.geometry(settings[1]) window.mainloop()