Answered: Create a python code i. Using an event…

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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Question

Create a python code

i. Using an event control loop, your program must ask the user to enter inputs (all integers) for three pairs of key-value and store them in a dictionary. Input validation is not necessary. Print the elements of the dictionary to the terminal in the format shown below.

ii. Create an empty list and using a looping control structure populate the list as follows. Add each key_i in this list value_i times, where 1 ≤ i ≤ 3. For example, if the dictionary stores these sample key-value pairs {10:3, 15:2, 5:4}, your final list should be like this [10, 10, 10, 15, 15, 5, 5, 5, 5].

See the sample output.

Enter a key: 10

Enter a value: 3

Enter a key: 15

Enter a value: 2

Enter a key: 5

Enter a value: 4

This is the dictionary:

10 : 3

15 : 2

5 : 4

This is the list:

[10, 10, 10, 15, 15, 5, 5, 5, 5]

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