add gui to class in python using method code example

Example 1: tkinter basic

from tkinter import Tk, Label, Button

class MyFirstGUI:
    def __init__(self, master):
        self.master = master
        master.title("A simple GUI")

        self.label = Label(master, text="This is our first GUI!")
        self.label.pack()

        self.greet_button = Button(master, text="Greet", command=self.greet)
        self.greet_button.pack()

        self.close_button = Button(master, text="Close", command=master.quit)
        self.close_button.pack()

    def greet(self):
        print("Greetings!")

root = Tk()
my_gui = MyFirstGUI(root)
root.mainloop()

Example 2: gui in tkinter

from tkinter import *
import os

# window
window = Tk()
window.geometry("450x450")
window.title("Gui App")
window.configure(bg="powder blue")

# Enter or user input in tkinter
filename = Entry(window, width=75)
filename.pack()

# Run file Function

def runFile():
  try:
  	os.startfile(filename.get())
   
  except:
    error = Label(window, text=f"No file found as {filename.get}")
    error.pack()
    
 # Run file button
open_file_button = Button(window, text="Run File", command=runFile)
open_file_button.pack()

window.mainloop()