from tkinter import *
import csv

def create_new():
    file = open("/tmp/ages.csv", "w")
    file.close()

def save_list():
    with open("/tmp/ages.csv", "a") as file:
        name = name_box.get()
        age = age_box.get()
        newrecord = name + ", " + age + "\n"
        file.write(str(newrecord))
    name_box.delete(0, 'end')
    age_box.delete(0, 'end')
    name_box.focus()

window = Tk()
window.title("Lista Personas")
window.geometry("400x100")

label1 = Label(text="Ingresa un nombre:")
label1.place(x=20, y=20, width=100, height=25)

name_box = Entry()
name_box.place(x=120, y=20, width=100, height=25)
name_box["justify"] = "left"
name_box.focus()

label2 = Label(text="Ingresa la edad:")
label2.place(x=20, y=50, width=100, height=25)

age_box = Entry()
age_box.place(x=120, y=50, width=100, height=25)

button1 = Button(text="Crear nuevo CSV", command=create_new)
button1.place(x=250, y=20, width=100, height=25)
button2 = Button(text="Agregar al CSV", command=create_new)
button2.place(x=250, y=50, width=100, height=25)

window.mainloop()