| 1 | def add_numbers(phonebook): |
| 2 | phonebook["George"] = "555-4523" |
| 3 | phonebook["Mike"] = "555-7412" |
| 4 | phonebook["Lisa"] = "555-6398" |
| 5 | |
| 6 | def main(): |
| 7 | numbers = {} |
| 8 | add_numbers(numbers) |
| 9 | |
| 10 | count = len(numbers) |
| 11 | print("Number count:", count) |
| 12 | |
| 13 | if "Mike" in numbers: |
| 14 | print(numbers["Mike"]) |
| 15 | else: |
| 16 | print("There is no number for Mike.") |
| 17 | |
| 18 | numbers["Mike"] = "555-6852" |
| 19 | mike = numbers["Mike"] |
| 20 | |
| 21 | if "Marissa" in numbers: |
| 22 | print(numbers["Marissa"]) |
| 23 | else: |
| 24 | print("There is no number for Marissa.") |
| 25 | |
| 26 | main() |