INSY 3300 quiz 6

difference

removes elements in one set based on the other

intersect

combines common elements in both sets

symmetric difference

identifies elements present in only one set

superset

Tests if a set that contains all elements of another set (and possibly more)

union

combines elements in both sets

subset

Tests if every element of one set is also in another set

Select all the statements that are TRUE about a dictionary

A tuple can be a key in a dictionary

keys must be immutable in a dictionary

A string can be a key in a dictionary

The values of a dictionary must be unique

False

johns_class = set(["Monday", "Wednesday"])
marys_class = set([ "Tuesday", "Thursday"])

common_days = johns_class & marys_class

print(len(common_days))

What is the output of the above code?

0

johns_class = set(["Monday", "Wednesday"])
marys_class = set([ "Tuesday", "Thursday"])

all_days = johns_class | marys_class

print(len(all_days ))

What is the output of the above code?

4

johns_class = set(["Monday", "Wednesday"])
marys_class = set([ "Tuesday", "Thursday"])

diff_days = johns_class - marys_class

print(len(diff_days ))

What is the output of the above code?

2

johns_class = set(["Monday", "Wednesday"])
marys_class = set([ "Tuesday", "Thursday"])

exclusive_days = johns_class ^ marys_class

print(len(exclusive_days ))

What is the output of the above code?

4