 | No variable is tied to the entry:
r_entry = Entry(rframe, width=6, relief='sunken')
r_entry.insert('end','1.2') # insert default value
r = float(r_entry.get())
s = math.sin(r)
s_label.configure(text=str(s))
|
| Other properties can be configured:
s_label.configure(background='yellow') |
