Suppose at some point in your code, you make a dictionary called dic1 dic1 = {'a': 1}   This dic1 dictionary will be modified later in the code. To keep track of the original version of dic1, you make another key in the same dictionary using the following assignment statement:   dic1['original'] = {'a': 1} Later in the code you modify dic1 as follows:   dic1['b'] = 2   A colleague points out that this is equivalent to the following code: dic2 = {'a': 1} dic2['original'] = dic2 dic2['b'] = 2   Question 1 If you followed your colleague's suggestion and made dic2 as above, will dic2['original'] keep track of the original dictionary {'a': 1}? Explain.

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
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Suppose at some point in your code, you make a dictionary called dic1

dic1 = {'a': 1}

 

This dic1 dictionary will be modified later in the code. To keep track of the original version of dic1, you make another key in the same dictionary using the following assignment statement:

 

dic1['original'] = {'a': 1}

Later in the code you modify dic1 as follows:

 

dic1['b'] = 2

 

A colleague points out that this is equivalent to the following code:

dic2 = {'a': 1}

dic2['original'] = dic2

dic2['b'] = 2

 

Question 1

If you followed your colleague's suggestion and made dic2 as above, will dic2['original'] keep track of the original dictionary {'a': 1}? Explain. 

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