python_by_example/tkgui/sols_124-132/sol_06.py
2023-11-17 13:26:09 -03:00

38 lines
865 B
Python

from tkinter import *
def add_number():
num = num_box.get()
if num.isdigit():
num_list.insert('end', num)
num_box.delete(0, 'end')
num_box.focus()
else:
num_box.delete(0, 'end')
num_box.focus()
def clear_list():
num_list.delete(0, 'end')
num_box.focus()
window = Tk()
window.title("Lista de Números")
window.geometry("450x200")
label1 = Label(text="Ingresa un número:")
label1.place(x=20, y=20, width=150, height=25)
num_box = Entry()
num_box.place(x=170, y=20, width=100, height=25)
num_box.focus()
button1 = Button(text="Agregar", command=add_number)
button1.place(x=300, y=20, width=100, height=25)
num_list = Listbox()
num_list.place(x=170, y=50, width=100, height=100)
button2 = Button(text="Limpiar", command=clear_list)
button2.place(x=300, y=50, width=100, height=25)
window.mainloop()