Answered: Code in python. 3.Assume the following…

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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Code in python.

3.Assume the following dictionary exists:

test_averages = {'Janelle':98, 'Sam': 87, 'Jennifer':92, 'Thomas':74, 'Sally':89, 'Zeb':84}

Write a statement that uses a dictionary comprehension to create a second dictionary named high_scores. The high_scores dictionary should contain all the elements of the test_averages dictionary in which the value is 90 or greater.

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Code in python.

Assume the variable dct references a dictionary. Write code that pickles the dictionary and saves it to a file named mydata.dat.

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