Answered: Question: Create a function that takes…

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 function that takes a tuple and returns a dictionary which is a histogram for counting the number of occurrences of each number in the tuple.
The main program should take the dictionary, transform the elements into a list, use sort () to order the list (in ascending order) and after that display the list.

Please use a picture, commentary for a better understanding and your own code thank you

for the exemple, it's the picture

def histo_n (x):
'(tuple) -> dict
Returns a dictionary
Precondition: the tuple contains integers >>> t = (1,2, -3,3,4, -3,3,3)
>>> histo_n (t)
{1: 1, 2: 1, 3: 3, 4: 1, -3: 2}

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