1. You have to save each contact based on their telecom operator. If there is no contact of a specific telecom operator, that operator should not be shown in the phone book. If a contact number, Starts with '017' or '013' then the telecom operator is Grameenphone Starts with '018' then the telecom operator is Robi Starts with '016' then the telecom operator is Airtel Starts with anything else then the telecom operator is Others While printing the phonebook as output the contacts under each telecom operator should be shown in alphabetically sorted order based on the contact names. See the sample output for clarification.
1. You have to save each contact based on their telecom operator. If there is no contact of a specific telecom operator, that operator should not be shown in the phone book. If a contact number, Starts with '017' or '013' then the telecom operator is Grameenphone Starts with '018' then the telecom operator is Robi Starts with '016' then the telecom operator is Airtel Starts with anything else then the telecom operator is Others While printing the phonebook as output the contacts under each telecom operator should be shown in alphabetically sorted order based on the contact names. See the sample output for clarification.
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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In python, Asap please.
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