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xercise: Check Monster Character Exists Description In this series of exercises, you will create functions to create, modify and examine dictionaries that represent characters in an animated film, and the cast members who voice the characters. The keys of the dictionary will be character names. The values in the dictionary will be voice actor names. For this exercise, you will create a function that checks if a character is already in the dictionary. Files monsterfunctions.py : set of functions to work with monster cast dictionaries. Function Name has_character Parameters monsters: a dictionary character: a string, the name of a character Action Checks if character is a key in monsters. Return Value True if character is a key in monsters, otherwise False. Examples monsters = create_monster_cast() monsters = add_cast_member(monsters, "Mike", "William Crystal") has_character(monsters, "Mike") -> True has_character(monsters, "Sully") -> False

xercise: Check Monster Character Exists Description In this series of exercises, you will create functions to create, modify and examine dictionaries that represent characters in an animated film, and the cast members who voice the characters. The keys of the dictionary will be character names. The values in the dictionary will be voice actor names. For this exercise, you will create a function that checks if a character is already in the dictionary. Files monsterfunctions.py : set of functions to work with monster cast dictionaries. Function Name has_character Parameters monsters: a dictionary character: a string, the name of a character Action Checks if character is a key in monsters. Return Value True if character is a key in monsters, otherwise False. Examples monsters = create_monster_cast() monsters = add_cast_member(monsters, "Mike", "William Crystal") has_character(monsters, "Mike") -> True has_character(monsters, "Sully") -> False

Database System Concepts
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
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Exercise: Check Monster Character Exists

Description

In this series of exercises, you will create functions

to create, modify and examine dictionaries that

represent characters in an animated film, and the

cast members who voice the characters. The

keys of the dictionary will be character names.

The values in the dictionary will be voice actor

names.

For this exercise, you will create a function that

checks if a character is already in the dictionary.

Files

 

  • monsterfunctions.py : set of functions to work with monster cast dictionaries.

 

Function Name

has_character

Parameters

 

  • monsters: a dictionary
  • character: a string, the name of a character

 

Action

Checks if character is a key in monsters.

Return Value

True if character is a key in monsters, otherwise False.

Examples

monsters = create_monster_cast()

monsters = add_cast_member(monsters, "Mike", "William Crystal")

has_character(monsters, "Mike") -> True

has_character(monsters, "Sully") -> False

1 #This function creates a dictionary 2 def create_monster_cast(): d1 = () return di 4 5 6 # This function adds the monsters to the dictionary 7 def add_cast_member (monsters, character, cast_member): 8 9 10 return dictionary 11 12 # This function returns the name of cast member associated with the character 13 def get_cast_member(monsters, character): 14 15 dictionary = monsters dictionary [character] = cast member if character not in monsters: return ** return monsters [character] 16 17 18 #This function returns the size of the dictionary 29 30 31 32 33 34 19 # i.e. number of character present in the dictionary 20 def get_cast_size(monsters): 21 return len(monsters) 22 23 # Definition of the function to change the cast member of a character 24 def change_cast_member (monsters, character, cast_member): 25 26 27 28 #This statement changes the cast member # If the character is not available in the dictionary, then it creates it monsters [character] = cast member # return the monsters dictionary return monsters monsters = create_monster_cast() 35 monsters = add_cast_member(monsters, 'James P. "Sulley" Sullivan", "John Goodman") 36 monsters = add_cast_member (monsters, 'Michael "Mike" Wazowski", "Bill Crystal") 37 monsters = add_cast_member(monsters, 'Boo', 'Mary Gibbs') 38 monsters = add_cast_member(monsters, 'Randall Boggs', 'Steve Buscemi') 39 monsters = add_cast_member(monsters, 'Randall Boggs', 'Steve Buscemi') 40 monsters = add_cast_member(monsters, "Henry J. Waternoose III", "James Coburn") 41 monsters = add_cast_member(monsters, "Mike", "William Crystal") 42 43 44 print('Monster Cast: ") 45 for key in monsters.keys(): 46
Transcribed Image Text:1 #This function creates a dictionary 2 def create_monster_cast(): d1 = () return di 4 5 6 # This function adds the monsters to the dictionary 7 def add_cast_member (monsters, character, cast_member): 8 9 10 return dictionary 11 12 # This function returns the name of cast member associated with the character 13 def get_cast_member(monsters, character): 14 15 dictionary = monsters dictionary [character] = cast member if character not in monsters: return ** return monsters [character] 16 17 18 #This function returns the size of the dictionary 29 30 31 32 33 34 19 # i.e. number of character present in the dictionary 20 def get_cast_size(monsters): 21 return len(monsters) 22 23 # Definition of the function to change the cast member of a character 24 def change_cast_member (monsters, character, cast_member): 25 26 27 28 #This statement changes the cast member # If the character is not available in the dictionary, then it creates it monsters [character] = cast member # return the monsters dictionary return monsters monsters = create_monster_cast() 35 monsters = add_cast_member(monsters, 'James P. "Sulley" Sullivan", "John Goodman") 36 monsters = add_cast_member (monsters, 'Michael "Mike" Wazowski", "Bill Crystal") 37 monsters = add_cast_member(monsters, 'Boo', 'Mary Gibbs') 38 monsters = add_cast_member(monsters, 'Randall Boggs', 'Steve Buscemi') 39 monsters = add_cast_member(monsters, 'Randall Boggs', 'Steve Buscemi') 40 monsters = add_cast_member(monsters, "Henry J. Waternoose III", "James Coburn") 41 monsters = add_cast_member(monsters, "Mike", "William Crystal") 42 43 44 print('Monster Cast: ") 45 for key in monsters.keys(): 46
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