Write a function called safeAdd(d, k, v, unsafe=False) that takes either three or four input parameters when called. Here, d is a dictionary, k is a key and v is a value. The function will add the key:value pair k:v to the dictionary d if the key k is NOT in the 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. Sample run (user input is highlighted) >>> d = {'A' :1} >>> safeAdd(d, 'B', 3} >>> display (d) А, 1 В, з >>> safeAdd (d, 'B', 2) The key B is already in the dictionary. Current value is 3. Do you want to replace this value with 2? [yes/no] yes >>> display(d) А, 1 В, 2 >>> safeAdd(d, 'A', 12) The key A is already in the dictionary. Current value is 1. Do you want to replace this value with 12? [yes/no] no >>> display(d) А, 1 В, 2 >>> safeAdd(d,'A', 22, unsafe=True) >>> d['A'] 22

Write a function called safeAdd(d, k, v, unsafe=False) that takes either three or four input parameters when called. Here, d is a dictionary, k is a key and v is a value. The function will add the key:value pair k:v to the dictionary d if the key k is NOT in the 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. Sample run (user input is highlighted) >>> d = {'A' :1} >>> safeAdd(d, 'B', 3} >>> display (d) А, 1 В, з >>> safeAdd (d, 'B', 2) The key B is already in the dictionary. Current value is 3. Do you want to replace this value with 2? [yes/no] yes >>> display(d) А, 1 В, 2 >>> safeAdd(d, 'A', 12) The key A is already in the dictionary. Current value is 1. Do you want to replace this value with 12? [yes/no] no >>> display(d) А, 1 В, 2 >>> safeAdd(d,'A', 22, unsafe=True) >>> d['A'] 22

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter7: Arrays

Section7.5: Case Studies

Problem 3E

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