import tkinter as tk
win = tk.Tk()
my_label = tk.Label(win, text="Hello python world", font=("Arial", 20), bg="red", fg="yellow")
my_label.pack()
win.mainloop()

 
import tkinter as tk
win = tk.Tk()
my_label = tk.Label(win, text="Hello python world", font=("Arial", 20), bg="red", fg="yellow")
my_label.place(x='25', y='70')
win.mainloop()

import tkinter as tk
win = tk.Tk()

b1 = tk.Button(win, text="button1", command=None)
b1.pack()
b2 = tk.Button(win, text="button2", command=None)
b2.pack()

win.mainloop()

import tkinter as tk
def Hello():
        print('Hello')
root = tk.Tk()
button = tk.Button(root, text="Quit", command=quit)
button.pack()
hello_btn = tk.Button(root, text="Hello", command=Hello)
hello_btn.pack()
root.mainloop()

def summing(x, y):
        return x + y

a = int(input("a: "))
b = int(input("b: "))

print(summing(A, B))