(self)
| 62 | self.out_var.set(current) |
| 63 | |
| 64 | def press_4(self): |
| 65 | current = self.out_var.get() |
| 66 | if current == "": |
| 67 | self.out_var.set(4) |
| 68 | else: |
| 69 | current += str(4) |
| 70 | self.out_var.set(current) |
| 71 | |
| 72 | def press_5(self): |
| 73 | current = self.out_var.get() |