ch9

this operator can be used to find the intersection of two sets

&

you can use the _____ operator to determine whether a key exists in a dictionary

in

the _____ method returns all of a dictionary's keys and their associated values as a sequence of tuples

items()

the _____ function returns the number of element in a dictionary:

len()

the following function returns the number of elements in a set

len()

you use _____ to delete an element from a dictionary

the del statement

you can add a group of elements to a set with this method

update

you can use _____ to create an empty dictionary

{}

this operator can be used to find the union of two sets

|

the _____ dictionary method returns the value associated with a specified key. if the key is not found, it returns a default value

get()

the ______ method returns the value associated with a specified key and removes that key-value pair from the dictionary

pop()

the _____ method returns a randomly selected key-value pair from a dictionary

popitem()

this operator can be used to find the difference of two sets

-

this operator can be used to find the symmetric difference of two sets

^

you can add one element to a set with this method

add

this set method removes an element but does not raise an exception if the element is not found

discard

this set method removes an element and raises an exception if the element id not found

remove