1 from typing import Dict 3 def reverse_lookup_dictionary (phone_num: str, 4 5 phone_to_name: Dict[str, str] > str: "This function receives a phone number phone_num, and a dictionary phone_to_name in which each key is a phone number and each value is the name associated with that phone number Return the name associated with phone_num in phone_to_name, or an empty string if there is no match 10 12 13 14 15 16 >>>reverse_lookup_dictionary("416-555-3498", " 416-555-3498" John A. Macdonald", "647-555-9812": "Louis Riel", "416-555-6543": Canoe Head" "905-555-6681": "Tim Horton") John A. Macdonald