Dictionary

Question 1

What is this used to represent?

Answer 1

Hash tables

Question 2

What kind of a data type is this?

Answer 2

An abstract data type

Question 3

What is it?

Answer 3

abstract data type consisting of associated pair of itmes when each pair consists of a key and a value.

Question 4

What languages is this built into?

Answer 4

python and visual basic

Question 5

What does a dictionary allow?

Answer 5

easy addition and removal of data

Question 6

What are some operations on a dictionary?

Answer 6

• create an empty dictionary
• add a new key:value pair
• delete a key:pair
• amend a value of key:pair
• return a value associated with a key
• check if item exists in dictionary
• return the length of a dictionary