Answers for "how to set label in tkinter using button"

Update label text after pressing a button in Tkinter

#tested and working on PYTHON 3.8 AND ADDED TO PATH
import tkinter as tk
win = tk.Tk()

def changetext():
	a.config(text="changed text!")
    
a = tk.Label(win, text="hello world")
a.pack()
tk.Button(win, text="Change Label Text", command=changetext).pack()

win.mainloop()

how to create a label in tkinter

#How to create a label in Tkinter

from tkinter import *

#First create a screen
new_window = Tk()
new_window.title("My Python Project")
new_window.geometry("300x250")

Label(new_window, text = "Hello World").pack()
#Label : Tells Python that a label is being created
#new_window : whatever screen you want the label to be shown on ; name the screen whatever you like
#text : this tells that there is text being typed in the label
#.pack() : shows the label on the screen