36)

When a class is customized using inheritance, the two classes should have a similar interface.

0.31 Points

• True

• False

37)

When you use inheritance to customize a class, the existing and new class have identical behavior.

0.32 Points

• True

• False

38)

A class that inherits properties from another class is called a superclass.

0.31 Points

• True

• False

39)

To begin creating a subclass, copy the parent class's file and delete the methods that will not change.

0.31 Points

• True

• False

40)

To ensure that inheritance occurs, you need to place the name of the subclass in parentheses of the class header.

0.31 Points

• True

• False

41)

What is the name of the function that contains the starting point of program execution?

0.32 Points

• start

• begin

• enter

• main

42)

What can you use a docstring for?

0.31 Points

• to create a large string variable

• to hold data of type string

• to hold the name of a document file

• to create a multiline comment

43)

To create an end-of-line comment, which symbol do you use to begin the comment?

0.31 Points

• @

• /

• *

• #

44)

Which of the following is true about Python keywords?

0.31 Points

• they can be a maximum of 6 characters long

• they can begin with a number, letter, or hyphen

• they are written in uppercase

• they are case sensitive

45)

Which statement is true about Python syntax?

0.32 Points

• a code block must begin with a left brace

• each code statement must end with a semicolon

• white space is ignored

• blocks of code are indicated by indentation

46)

What keywords does Python use for Boolean values?

0.31 Points

• True, False

• Set, Unset

• On, Off

• Yes, No

47)

What symbol is used to insert a tab in a string?

0.31 Points

• @tab

• /t

• \t

• [TAB]

48)

Which comparison operation returns True if variable x is not equal to variable y?

0.31 Points

• x <> y

• x neq y

• x != y

• x .ne. y

49)

Assume x is equal to 5 and y is equal to 0. Which comparison operation returns True?

0.32 Points

• (x > y) and x

• x > 0 and None

• y < 5 and y

• a. x == y or y

50)

With what character does the print function terminate its output by default?

0.31 Points

• space

• newline

• period

• null

51)

What is a group of zero or more items that can be operated on as a unit?

0.31 Points

• array

• grouping

• organization

• collection

52)

Which of the following is true about Python collections?

0.31 Points

• most can be heterogeneous

• all are homogeneous

• all are immutable object types

• they are typically static

53)

Which object type is immutable?

0.32 Points

• set

• tuple

• list

• dict

54)

Which type of collection is ordered by position?

0.31 Points

• hierarchical

• graph

• linear

• sorted

55)

Which real-world item best represents a linear collection?

0.31 Points

• organizational chart

• stack of bricks

• table of contents

• file system

56)

Which real-world item best represents a hierarchical collection?

0.31 Points

• a family tree

• a box of legos

• wiring diagrams

• a queue of customers

57)

Why is the efficiency of algorithms desirable?

0.32 Points

• an inefficient algorithm may use too much time or space

• efficient algorithms always cost less money

• inefficient algorithms always use too much memory

• efficient algorithms always use less memory

58)

Which of the following is a common way to measure the time cost of an algorithm?

0.31 Points

• count lines of code

• use the computer's clock

• use a stopwatch

• calculate memory usage

59)

What should the missing code be in the following algorithm if the goal is to determine how many seconds the algorithm runs?

#

start = time.time()

myCount = 1

for x in range(100):

myCount *= x

elapsed = time.time() -

0.31 Points

• myCount

• start

• elapsed

• x