from tkinter import *
def save_data():
    fileD = open("deliveries.txt", "a")
    fileD.write("Depot:\n")
    fileD.write("%s\n" % Radiobutton.get())
    fileD.write("Description:\n")
    fileD.write("%s\n" % description.get())
    fileD.write("Address:\n")
    fileD.write("%s\n" % address.get("1.0", END))
    depot.delete(0, END)
    description.delete(0, END)
    address.delete("1.0", END)
app = Tk()
app.title('Head-Ex Deliveries')


Label(app, text = "Depot:").pack()
Radiobutton(app, text = "Cambridge, MA", value = "Cambridge, MA").pack()
Radiobutton(app, text = "Cambridge, ON", value = "Cambridge, ON").pack()
Radiobutton(app, text = "Cambridge, UK", value = "Cambridge, UK").pack()
Radiobutton(app, text = "Cambridge, JA", value = "Cambridge, JA").pack()
Radiobutton(app, text = "Cambridge, ID", value = "Cambridge, ID").pack()
Radiobutton(app, text = "Cambridge, MO", value = "Cambridge, MO").pack()
Radiobutton(app, text = "Cambridge, NY", value = "Cambridge, NY").pack()

Label(app, text = "Description:").pack()
description = Entry(app)
description.pack()

Label(app, text = "Address:").pack()

address = Text(app)
address.pack()

Button(app, text = "Save", command = save_data).pack()
app.mainloop()