Module 2: Python Collection Data Types

four

There are ____ collection data types in the Python programming language

List

_____ is a collection which is ordered and changeable. Allows duplicate members

Tuple

_____ is a collection which is ordered and unchangeable. Allows duplicate members

Set

____ is a collection which is unordered, unchangeable, and unindexed. No duplicate members.

Dictionary

______ is a collection which is ordered and changeable. No duplicate members

Lists

_____ are used to store multiple items in a single variable and are created using square brackets

len()

To determine how many items a list has, use the ____ function

end

Negative indexing means start from the ____

append()

To add an item to the end of the list, use the ______ method

insert()

To insert a new list item, without replacing any of the existing values, you can use the _____ method

extend()

To append elements from another list to the current list, use the ____ method

remove()

The _____ method removes the specified item

pop()

The _____ method removes the specified index

last

If you do not specify the index, the pop() method removes the ____ item

del

____ keyword also removes the specified index

del

The ___ keyword can delete the list completely

clear()

The _____ method empties the list

Tuples

_____ are used to store multiple items in a single variable and are written with parenthesis

comma

To create a tuple with only one item, you have to add a _____ after the item, otherwise Python will not recognize it as a tuple

immutable

Tuples are unchangeable, or ______ as it also is called

Sets

_____ are used to store multiple items in a single variable and are created using curly brackets

add()

To add an item to a set, use the ____ method

update()

To add items from another set into the current set, use the ______ method

remove(), discard()

To remove an item in a set, use the ______, or the ______ method

raise

If the item to remove does not exist, remove() will _____ an error

not raise

If the item to remove does not exist, discard() will ______ an error

union()

The ______ method returns a new set with all items from both sets

update()

The _____ method inserts the items in set two into set one

intersection_update()

The _______ method will keep only the items that are present in both sets

intersection()

The ______ method will return a new set, that only contains the items that are present in both sets

symmetric_difference_update()

The __________ method will keep only the elements that are NOT present in both sets

symmetric_difference()

The _______ method will return a new set, that contains only the elements that are NOT present in both sets

Dictionaries

_______ are used to store data values in key:value pairs and are written in curly brackets

keys()

The ____ method will return a list of all the keys in the dictionary

values()

The ______ method will return a list of all the values in the dictionary

update()

The ____ method will update the dictionary with the items from a given argument.

pop()

The ___ method removes the item with the specified key name

popitem()

The _____ method removes the last inserted item in dictionary

del

The ___ keyword removes the item with the specified key name

clear()

The ____ method empties the dictionary