input parameters when called. Here, d is a dictionary, k is a key and vis a value. function will add the key:value pair k:v to the dictionary d if the NOT in th dictionary. If the key is in the dictionary, the function will display the current value for that key, the new value you passed into the function and ask the user if they wish to proceed and overwrite the existing value. If the optional fourth parameter is True, then just add the key:value pair without checking if the key is already present (this is unsafe add). Input validation is optional for this exercise. See the sample run (user input is highlighted). >>> d = {'A':1} >>> safeAdd(d, 'B', 3} >>> display (d) A: 1 B: 3 >>> safeAdd(d, 'B', 2)

input parameters when called. Here, d is a dictionary, k is a key and vis a value. function will add the key:value pair k:v to the dictionary d if the NOT in th dictionary. If the key is in the dictionary, the function will display the current value for that key, the new value you passed into the function and ask the user if they wish to proceed and overwrite the existing value. If the optional fourth parameter is True, then just add the key:value pair without checking if the key is already present (this is unsafe add). Input validation is optional for this exercise. See the sample run (user input is highlighted). >>> d = {'A':1} >>> safeAdd(d, 'B', 3} >>> display (d) A: 1 B: 3 >>> safeAdd(d, 'B', 2)

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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