Assumptions for this exercise. Alphabet E = { a, 6} To do in this exercise . • Construct a Nondeterministic Finite Accepter M such that L(M) = L((ab)* a*)n L(baa). Save your Nondeterministic Finite Accepter as a JFLAPJr file, and submit that file to %3D Canvas as your solution to this exercise.

Assumptions for this exercise. Alphabet E = { a, 6} To do in this exercise . • Construct a Nondeterministic Finite Accepter M such that L(M) = L((ab)* a*)n L(baa). Save your Nondeterministic Finite Accepter as a JFLAPJr file, and submit that file to %3D Canvas as your solution to this exercise.

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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Predicates

A predicate is a function defined with set of variables, which returns the result True or False. The output of a predicate is a Boolean value as a response when given a set of parameters:

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Assumptions for this exercise.
Alphabet E = {a, b}
To do in this exercise .
Construct a Nondeterministic Finite Accepter M such that L(M)= L((ab)'a")n L(baa").
Save your Nondeterministic Finite Accepter as a JFLAPJm file, and submit thatrr fle to
Canvas as your solution to this exercise.

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7. group_friends_by_food For this problem, you are given a mostly-working version of the Friend and FriendsDB classes from hw6 and hw7, and we will add new method to FriendsDB -- group_friends_by_food. group_friends_by_food returns a dictionary mapping from each of the favorite foods enjoyed by any friend to a list of the friends who enjoy that food, sorted in alphabetical order. (You can use the friends_who_love method to generate these lists.) A sample run should look like this: >>> friend1 = Friend("sarah", 165) >>> friend1.add favorite_food("strawberries") >>> friend2 Friend("dweezil", 175) >>> friend2.add_favorite_food("pizza") >>> friend3 Friend("bimmy", 60) >>> friend3.add_favorite_food("pizza") >>> friend3.add favorite_food ("strawberries") >>> db FriendsDB() %3D >>> db.add_ friend(friend1) >>> db.add_friend(friend2) >>> b.add_friend (friend3) >>> db.group_friends_by_food() {'strawberries': ['bimmy', 'sarah'], 'pizza': ['bimmy', 'dweezil']}