Q12 Reverse Phone Lookup (Part 2)You have been asked to write a function that supplies the "reverse lookup" name for the person associated with a phone number. This means that given aphone number, you get the name of the person who is registered with that phone number. For this problem, you have been asked to write a solution using adictionary1 def reverse_lookup_dictionary(phone_num: str,phone_to_name: dict[str, str]) -> str:**"This function receives a phone number phone_num, and a dictionary3phone_to_name in which each key is a phone number and each valueis the name associated with that phone number.45.7.Return the name associated with phone_num in phone_to_name, or8.an empty string if there is no match.>>> 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"})10111213'John A. Macdonald'14HistorySubmitpe here to search100%10°C Mostly cloudy du

def reverse_lookup_dictionary(phone_num, phone_to_name): if phone_num in phone_to_name: return…

Reverse Phone Lookup (Part 2) You have been asked to write a function that supplies the "reverse lookup" name for the person associated with a phone number. This means that given a phone number, you get the name of the person who is registered with that phone number. For this problem, you have been asked to write a solution using a dictionary 1 def reverse_lookup_dictionary(phone_num: str, 2. 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. 3. 5. 6. Return the name associated with phone_num in phone to name, or an empty string if there is no match. 7. 8 9. >>> reverse_lookup_dictionary("416-555-3498", ("416-555- 3498": \ "John A. Macdonald", "647-555-9812": "Louis Riel1", "416-555-6543": \ "Canoe Head", "905-555-6681":"Tim Horton"}) 10 11 12 13 "John A. Macdonald' 14

Reverse Phone Lookup (Part 2) You have been asked to write a function that supplies the "reverse lookup" name for the person associated with a phone number. This means that given a phone number, you get the name of the person who is registered with that phone number. For this problem, you have been asked to write a solution using a dictionary 1 def reverse_lookup_dictionary(phone_num: str, 2. 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. 3. 5. 6. Return the name associated with phone_num in phone to name, or an empty string if there is no match. 7. 8 9. >>> reverse_lookup_dictionary("416-555-3498", ("416-555- 3498": \ "John A. Macdonald", "647-555-9812": "Louis Riel1", "416-555-6543": \ "Canoe Head", "905-555-6681":"Tim Horton"}) 10 11 12 13 "John A. Macdonald' 14

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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