Question 1

Build in function _______ can be used in Python to determine if two variables reference the same object in memory.

Accepted Answer

The answer of Build in function _______ can be used...

Question 2

For variable n with the value 10,

Accepted Answer

A)  n provides the reference value, and id(n) provides the dereferenced value 10 
B)  n provides the value 10 and id(n) provides the value of the location of identifiers n in memory 
C)  n provides the value 10 and id(n) provides the location of the value 10 in memory 
D)  n and id(n) are two ways of obtaining the derefereneced value of 10 
E)  n and id(n) are two ways of obtaining the reference value of 10 
A)  n provides the reference value, and id(n) provides the dereferenced value 10 
B)  n provides the value 10 and id(n) provides the value of the location of identifiers n in memory 
C)  n provides the value 10 and id(n) provides the location of the value 10 in memory 
D)  n and id(n) are two ways of obtaining the derefereneced value of 10 
E)  n and id(n) are two ways of obtaining the reference value of 10

Question 3

Match the following:
-memory location

Accepted Answer

A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection 
A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection

Question 4

When a turtle is moved to a new position using the setposition method, a line is drawn from its current location to the new location if the turtle is set to be shown (by use of the showturtle method.)

Accepted Answer

A) True 
 B)False

Question 5

Suppose that list1 is assigned to a list of tuples. Given the proper code so that a complete copy of list1 is assigned to variable list2.

Accepted Answer

list2 = copy.deepcop

Question 6

In Python, an object has certain attributes and behaviors, implemented as

Accepted Answer

A)  functions and methods 
B)  instance variables and methods 
C)  instance variables and values 
D)  lists and methods 
E)  lists and values 
A)  functions and methods 
B)  instance variables and methods 
C)  instance variables and values 
D)  lists and methods 
E)  lists and values

Question 7

Which of the following returns the reference to the "default" turtle created as a result of a call to the setup method?

Accepted Answer

A)  window.turtle() 
B)  window.getTurtle() 
C)  setup.getTurtle() 
D)  setup.getturtle() 
E)  turtle.getturtle() 
A)  window.turtle() 
B)  window.getTurtle() 
C)  setup.getTurtle() 
D)  setup.getturtle() 
E)  turtle.getturtle()

Question 8

After the following series of assignments are performed,
List1 = [1, 2, 3, 4]
List2 = list1
List1 = [5, 6, 7, 8]

Accepted Answer

A)  list1 will no longer be referencing a list 
B)  list2 will no longer be referencing a list 
C)  variable list2 will be referencing the list [5, 6, 7, 8] 
D)  the list [1, 2, 3, 4] will no longer be referenced by variable list1 or list2 
E)  list1 will reference the list [5, 6, 7, 8] and list2 will reference the list [5, 6, 7, 8] 
A)  list1 will no longer be referencing a list 
B)  list2 will no longer be referencing a list 
C)  variable list2 will be referencing the list [5, 6, 7, 8] 
D)  the list [1, 2, 3, 4] will no longer be referenced by variable list1 or list2 
E)  list1 will reference the list [5, 6, 7, 8] and list2 will reference the list [5, 6, 7, 8]

Question 9

Give Python code to create a square of size 100 x 100 such that its bottom left corner is positioned at screen location (0, 0). Use relative positioning to do this. (Assume that the turtle screen has been set up, and that there is a turtle named the_turtle to make use of.)

Accepted Answer

the_turtle.penup()
the_turtle.setpositio

Question 10

Garbage collection it a process that automatically determines what parts of memory can be deallocated during the execution of a program.

Accepted Answer

A) True 
 B)False

Question 11

Python provides a list contructor that can be used to create a deep copy of a list.

Accepted Answer

A) True 
 B)False

Question 12

An object contains a set of __________________ and a set of ____________.

Accepted Answer

instance variables (

Question 13

The instruction to set the position of a turtle object to the center of the screen is __________________.

Accepted Answer

The answer of The instruction to set the position of...

Question 14

After the following series of assignments are performed,
List1 = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
List2 = list(list1)
List2[0][0] = 10

Accepted Answer

A)  list1[0][0] will equal 1, and list2[0][0] will equal 10 
B)  list1[0][0] will equal 10, and list2[0][0] will equal 1 
C)  both list1[0][0] and list2[0][0] will equal 10 
D)  an error will result 
E)  id(list1) will equal id(list2) 
A)  list1[0][0] will equal 1, and list2[0][0] will equal 10 
B)  list1[0][0] will equal 10, and list2[0][0] will equal 1 
C)  both list1[0][0] and list2[0][0] will equal 10 
D)  an error will result 
E)  id(list1) will equal id(list2)

Question 15

When one variable is assigned to another, it is the dereferenced value that is assigned, not the reference value.

Accepted Answer

A) True 
 B)False

Question 16

For a turtle screen size of 600 x 800, the coordinates of the top left corner are (-300, 400).

Accepted Answer

A) True 
 B)False

Question 17

Two objects of the same type store the same set of values, but are represented by instance variables with different identifiers (names) in each.

Accepted Answer

A) True 
 B)False

Question 18

The _____________ is used to access a member of an object.

Accepted Answer

The answer of The _____________ is used to access a...

Question 19

Suppose that list1 and list2 each reference the same list object in memory. Give a set of instruction that would cause the original list reference to be automatically garbage collected.

Accepted Answer

list1 = [10, 20, 30,

Question 20

Match the following:
-attribute

Accepted Answer

A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection 
A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection

Build in function _______ can be used in Python to determine if two variables reference the same object in memory.

For variable n with the value 10,

Match the following: -memory location

When a turtle is moved to a new position using the setposition method, a line is drawn from its current location to the new location if the turtle is set to be shown (by use of the showturtle method.)

Suppose that list1 is assigned to a list of tuples. Given the proper code so that a complete copy of list1 is assigned to variable list2.

In Python, an object has certain attributes and behaviors, implemented as

Which of the following returns the reference to the "default" turtle created as a result of a call to the setup method?

After the following series of assignments are performed, List1 = [1, 2, 3, 4] List2 = list1 List1 = [5, 6, 7, 8]

Give Python code to create a square of size 100 x 100 such that its bottom left corner is positioned at screen location (0, 0). Use relative positioning to do this. (Assume that the turtle screen has been set up, and that there is a turtle named the_turtle to make use of.)

Garbage collection it a process that automatically determines what parts of memory can be deallocated during the execution of a program.

Python provides a list contructor that can be used to create a deep copy of a list.

An object contains a set of ______ and a set of .

The instruction to set the position of a turtle object to the center of the screen is __________________.

After the following series of assignments are performed, List1 = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] List2 = list(list1) List2[0][0] = 10

When one variable is assigned to another, it is the dereferenced value that is assigned, not the reference value.

For a turtle screen size of 600 x 800, the coordinates of the top left corner are (-300, 400).

Two objects of the same type store the same set of values, but are represented by instance variables with different identifiers (names) in each.

The _____________ is used to access a member of an object.

Suppose that list1 and list2 each reference the same list object in memory. Give a set of instruction that would cause the original list reference to be automatically garbage collected.

Match the following: -attribute

Introduction

Data and Expressions

Control Structures

Lists

Functions

Modular Design

Text Files

Dictionaries and Sets

Object-Oriented Programming

Recursion

Filters

Exam 6: Objects and Their Use

Build in function _______ can be used in Python to determine if two variables reference the same object in memory.

For variable n with the value 10,

Match the following: -memory location

When a turtle is moved to a new position using the setposition method, a line is drawn from its current location to the new location if the turtle is set to be shown (by use of the showturtle method.)

Suppose that list1 is assigned to a list of tuples. Given the proper code so that a complete copy of list1 is assigned to variable list2.

In Python, an object has certain attributes and behaviors, implemented as

Which of the following returns the reference to the "default" turtle created as a result of a call to the setup method?

After the following series of assignments are performed, List1 = [1, 2, 3, 4] List2 = list1 List1 = [5, 6, 7, 8]

Give Python code to create a square of size 100 x 100 such that its bottom left corner is positioned at screen location (0, 0). Use relative positioning to do this. (Assume that the turtle screen has been set up, and that there is a turtle named the_turtle to make use of.)

Garbage collection it a process that automatically determines what parts of memory can be deallocated during the execution of a program.

Python provides a list contructor that can be used to create a deep copy of a list.

An object contains a set of __________________ and a set of ____________.

The instruction to set the position of a turtle object to the center of the screen is __________________.

After the following series of assignments are performed, List1 = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] List2 = list(list1) List2[0][0] = 10

When one variable is assigned to another, it is the dereferenced value that is assigned, not the reference value.

For a turtle screen size of 600 x 800, the coordinates of the top left corner are (-300, 400).

Two objects of the same type store the same set of values, but are represented by instance variables with different identifiers (names) in each.

The _____________ is used to access a member of an object.

Suppose that list1 and list2 each reference the same list object in memory. Give a set of instruction that would cause the original list reference to be automatically garbage collected.

Match the following: -attribute

Introduction

Data and Expressions

Control Structures

Lists

Functions

Modular Design

Text Files

Dictionaries and Sets

Object-Oriented Programming

Recursion

Filters

An object contains a set of ______ and a set of .