Lesson 10 Dictionary Review

How does a dictionary work?

• lists

• works with keys and values

• variable

• works with indexes.

• indexing

• stores on piece of information

• dictionary

• is a list of data

which would be better for:

Song titles in an MP3 player

• List

• Dictionary

which would be better for:

titles of fiction books that are in the library

• List

• Dictionary

which would be better for:

information about a book like its author, title and published date

• List

• Dictionary

which would be better for:

your favourite foods

• List

• Dictionary

which would be better for:

student names and their grades

• List

• Dictionary

which would be better for:

food categories like diary, vegetables, etc

• List

• Dictionary

Match the following

• dictionary_name[key] = value

• print a specific value

• .pop()

• remove a key from a dictionary

• curly brackets {}

• change a value in a dictionary

• dictionary_name[key] = value

• add a key and value to a dictionary

• print(dictionary_name[value])

• create a dictionary

what happens when you try to print a key that does not exist?

​ ​ ​ (a)  

• TypeError
• SyntaxError
• KeyError
• NameError