1)

Python automatically generates a sequential search operation, using the ArrayBag iterator, when the in operator is used on a bag. To override this behavior, which method should be included in ArrayBag?

0.4 Points

• add

• init

• eq

• contains

2)

Which method does Python automatically run when it sees the + operator used with two bags?

0.4 Points

• eq

• init

• add

• str

3)

True or False: Every data type in Python is actually a class, and all built-in classes reside in a hierarchy.

0.4 Points

• True

• False

4)

When you define a new class and omit the parent class from the syntax, Python automatically installs this class under which class?

0.4 Points

• list

• object

• str

• dict

5)

The implementation of which method in the AbstractCollection class compares pairs of items in the two collections?

0.4 Points

• add

• str

• init

• eq

6)

Stacks are said to adhere to which of the following protocols?

0.4 Points

• first-in first-out (FIFO)

• last-in last-out (LILO)

• first-in last-out (FILO)

• last-in first-out (LIFO)

7)

Which operation, provided by a stack interface, allows for examining the element at the top of a stack?

0.4 Points

• peek

• clear

• pop

• append

8)

Which of the following stack methods will make s become empty?

0.4 Points

• s.peek()

• s.isEmpty()

• s.pop()

• s.clear()

9)

True or False: In the postfix form, each operator is located between its operands.

0.4 Points

• True

• False

10)

A ______ algorithm begins in a predefined starting state and then moves from state to state in search of a desired ending state.

0.4 Points

Answer