Self. For example, '2' represents 'A,' 'B' or 'C. Each number corresponds to three or four letters that are printed under the corresponding number on the phone keypad. Video of the Day Step 2 Locate the first letter of the phone number. The numeric dial pad appears on your screen. Let us see the following implementation to get better understanding: ExampleĬharacters = ĭef solve(self, digits, characters, result, current_string="",current_level = 0):įor i in characters)]: Step 1 Tap the 'Phone' icon to start the Phone app.
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