Section 14.3 Check Point Questions11 questions

14.3.1

How do you create an empty set?

14.3.2

Can a list, set, or tuple have elements of different types?

14.3.3

Which of the following sets are created correctly?

s = {1, 3, 4}
s = {{1, 2}, {4, 5}}
s = {[1, 2], [4, 5]}
s = {(1, 2), (4, 5)}

14.3.4

What are the differences between a list and a set? How do you create a set from a list? How do you create a list from a set? How do you create a tuple from a set?

14.3.5

Show the output of the following code:

students = {"peter", "john"}
print(students)
students.add("john")
print(students)
students.add("peterson")
print(students)
students.remove("peter")
print(students)

14.3.6

Will the following code have a runtime error?

students = {"peter", "john"}
students.remove("johnson")
print(students)

14.3.7

Show the output of the following code:

student1 = {"peter", "john", "tim"}
student2 = {"peter", "johnson", "tim"}
print(student1.issuperset({"john"}))
print(student1.issubset(student2))
print({1, 2, 3} > {1, 2, 4})
print({1, 2, 3} < {1, 2, 4})
print({1, 2} < {1, 2, 4})
print({1, 2} <= {1, 2, 4})

14.3.8

Show the output of the following code:

numbers = {1, 4, 5, 6}
print(len(numbers))
print(max(numbers))
print(min(numbers))
print(sum(numbers))

14.3.9

Show the output of the following code:

s1 = {1, 4, 5, 6}
s2 = {1, 3, 6, 7}
print(s1.union(s2))
print(s1 | s2)
print(s1.intersection(s2))
print(s1 & s2)
print(s1.difference(s2))
print(s1 - s2)
print(s1.symmetric_difference(s2))
print(s1 ^ s2)

14.3.10

Show the output of the following code:

set1 = {2, 3, 7, 11}
print(4 in set1)
print(3 in set1)
print(len(set1))
print(max(set1))
print(min(set1))
print(sum(set1))
print(set1.issubset({2, 3, 6, 7, 11}))
print(set1.issuperset({2, 3, 7, 11}))

14.3.11

Show the output of the following code:

set1 = {1, 2, 3} 
set2 = {3, 4, 5}

set3 = set1 | set2
print(set1, set2, set3)

set3 = set1 - set2
print(set1, set2, set3)

set3 = set1 & set2
print(set1, set2, set3)

set3 = set1 ^ set2
print(set1, set2, set3)