from tkinter import tk

def add():
    num1=float(num1_entry.get())
    num2=float(num2_entry.get())
    result=num1+num2
    result_label.config(text=result)

#create the main window
root=tk.Tk()
root.title("Add Two Numbers")

#create the widgets
num1_label=tk.Label(root, text="Number 1:")
num1_entry=tkEntry(root)
num2_label=tk.Label(root, text="Number 2:")
num2_entry=tkEntry(root)
add_button=tk.Button(root,text="Add",command=add)
result_label=tk.Label(root,text="Result:")