import tkinter as tk
from tkinter import Listbox
from tkinter import Entry


ventana = tk.Tk()

ventana.geometry("500x500")

var = tk.StringVar()
var.set(tuple(range(100)))

lb = Listbox(ventana,width=27,height=27,listvariable=var)

def random(_):
    value = lb.get(lb.curselection())
    w = lb.winfo_width()
    x = lb.winfo_x()
    _, y, _, h = lb.bbox(lb.curselection())
    entry = Entry(ventana)
    entry.place(x=x,y=y,width=w,height=h)
    entry.delete(0, tk.END)
    entry.insert(0, value)




def listBox():
    lb.place(x=50,y=50)
    lb.bind('<Double-Button-1>', random)








listBox()

ventana.mainloop()