Question 1

When the step argument is a negative number, the range function generates a sequence of numbers from the first argument down to the second argument plus 1.

Accepted Answer

A) True 
 B)False

Question 2

What statement regarding precedence of operators is accurate?

Accepted Answer

A)  The assignment operator (=) is higher in precedence than exponentiation (**). 
B)  The logical conjunction (and) is higher in precedence than the logical negation (not). 
C)  The comparison operators (==, !=, , =) are higher in precedence than the assignment operator (=). 
D)  The addition and subtraction operators (+, -) are lower in precedence than the logical conjunction operator (and). 
A)  The assignment operator (=) is higher in precedence than exponentiation (**). 
B)  The logical conjunction (and) is higher in precedence than the logical negation (not). 
C)  The comparison operators (==, !=, , =) are higher in precedence than the assignment operator (=). 
D)  The addition and subtraction operators (+, -) are lower in precedence than the logical conjunction operator (and).

Question 3

What comparison operator is used to test whether an expression does NOT equal another expression?

Accepted Answer

A)  -= 
B)  != 
C)  /= 
D)  _= 
A)  -= 
B)  != 
C)  /= 
D)  _=

Question 4

Some computer scientists argue that a while True loop with a delayed exit violates the spirit of the while loop.

Accepted Answer

A) True 
 B)False

Question 5

What function call will generate a random number in the range of 1 through 6 using the random module?

Accepted Answer

A)  random.randnum(1, 6) 
B)  random.randint(range(1-6)) 
C)  random.randint(1, 6) 
D)  random.random(1, 6) 
A)  random.randnum(1, 6) 
B)  random.randint(range(1-6)) 
C)  random.randint(1, 6) 
D)  random.random(1, 6)

Question 6

Although the while loop can be complicated to write correctly, it is possible to simplify its structure and thus improve its readability.

Accepted Answer

A) True 
 B)False

Question 7

The assignment symbol can be combined with the arithmetic and concatenation operators to provide augmented assignment operations.

Accepted Answer

A) True 
 B)False

Question 8

The not operator expects a single operand and returns its logical negation, True, if it's false, and False if it's true.

Accepted Answer

A) True 
 B)False

Question 9

The comparison operators are applied after addition but before assignment.

Accepted Answer

A) True 
 B)False

Question 10

You are running a Python script and suspect that the script has entered an infinite loop. What key combination can you use to halt the loop?

Accepted Answer

A)  CTRL + Esc 
B)  CTRL + c 
C)  Alt + b 
D)  CTRL + Break 
A)  CTRL + Esc 
B)  CTRL + c 
C)  Alt + b 
D)  CTRL + Break

Question 11

What part of the loop comprises the statements to be executed?

Accepted Answer

A)  The loop header. 
B)  The loop body. 
C)  The loop end. 
D)  The loop tail. 
A)  The loop header. 
B)  The loop body. 
C)  The loop end. 
D)  The loop tail.

Question 12

What scenario would it make logical sense to use a multi-way selection statement for?

Accepted Answer

A)  You need to convert numeric grades to letter grades. 
B)  You need to test if the value of A is larger than B. 
C)  You need to determine if a number is positive or negative. 
D)  You need to test if a variable is True or False. 
A)  You need to convert numeric grades to letter grades. 
B)  You need to test if the value of A is larger than B. 
C)  You need to determine if a number is positive or negative. 
D)  You need to test if a variable is True or False.

Question 13

Given the following statement: "%4d" % var1, which of the following is accurate?

Accepted Answer

A)  The variable var1 must be an integer value. 
B)  The variable var1 must be a string value. 
C)  The variable var1 will be in octal format. 
D)  The variable var1 will be formatted regardless of type. 
A)  The variable var1 must be an integer value. 
B)  The variable var1 must be a string value. 
C)  The variable var1 will be in octal format. 
D)  The variable var1 will be formatted regardless of type.

Question 14

What statement should you use to print the value of total with a precision of 5 digits?

Accepted Answer

A)  print("The total is %5." % total) 
B)  print("The total is %0.5d" % total) 
C)  print("The total is %f" % float(total, 5)) 
D)  print("The total is %0.5f" % total) 
A)  print("The total is %5." % total) 
B)  print("The total is %0.5d" % total) 
C)  print("The total is %f" % float(total, 5)) 
D)  print("The total is %0.5f" % total)

Question 15

The simplest form of selection is the if-else statement.

Accepted Answer

A) True 
 B)False

Question 16

What is NOT a Boolean or logical operator used in the Python language?

Accepted Answer

A)  and 
B)  or 
C)  not 
D)  xor 
A)  and 
B)  or 
C)  not 
D)  xor

Question 17

The Boolean data type is named for the twentieth-century British mathematician George Boole.

Accepted Answer

A) True 
 B)False

Question 18

Conditional iteration requires that a condition be tested within the loop to determine whether the loop should continue.

Accepted Answer

A) True 
 B)False

Question 19

The not operator has a lower precedence than the and and or operators.

Accepted Answer

A) True 
 B)False

Question 20

4 != 4 evaluates to True.

Accepted Answer

A) True 
 B)False

When the step argument is a negative number, the range function generates a sequence of numbers from the first argument down to the second argument plus 1.

What statement regarding precedence of operators is accurate?

What comparison operator is used to test whether an expression does NOT equal another expression?

Some computer scientists argue that a while True loop with a delayed exit violates the spirit of the while loop.

What function call will generate a random number in the range of 1 through 6 using the random module?

Although the while loop can be complicated to write correctly, it is possible to simplify its structure and thus improve its readability.

The assignment symbol can be combined with the arithmetic and concatenation operators to provide augmented assignment operations.

The not operator expects a single operand and returns its logical negation, True, if it's false, and False if it's true.

The comparison operators are applied after addition but before assignment.

You are running a Python script and suspect that the script has entered an infinite loop. What key combination can you use to halt the loop?

What part of the loop comprises the statements to be executed?

What scenario would it make logical sense to use a multi-way selection statement for?

Given the following statement: "%4d" % var1, which of the following is accurate?

What statement should you use to print the value of total with a precision of 5 digits?

The simplest form of selection is the if-else statement.

What is NOT a Boolean or logical operator used in the Python language?

The Boolean data type is named for the twentieth-century British mathematician George Boole.

Conditional iteration requires that a condition be tested within the loop to determine whether the loop should continue.

The not operator has a lower precedence than the and and or operators.

4 != 4 evaluates to True.

Introduction

Software Development Data Types and Expressions

Strings and Text Files

Lists and Dictionaries

Design With Functions

Simple Graphics and Image Processing

Graphical User Interrfaces

Design With Classes

Multithreading Networks and Client Server Programming

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Exam 3: Loops and Selection Statements

When the step argument is a negative number, the range function generates a sequence of numbers from the first argument down to the second argument plus 1.

What statement regarding precedence of operators is accurate?

What comparison operator is used to test whether an expression does NOT equal another expression?

Some computer scientists argue that a while True loop with a delayed exit violates the spirit of the while loop.

What function call will generate a random number in the range of 1 through 6 using the random module?

Although the while loop can be complicated to write correctly, it is possible to simplify its structure and thus improve its readability.

The assignment symbol can be combined with the arithmetic and concatenation operators to provide augmented assignment operations.

The not operator expects a single operand and returns its logical negation, True, if it's false, and False if it's true.

The comparison operators are applied after addition but before assignment.

You are running a Python script and suspect that the script has entered an infinite loop. What key combination can you use to halt the loop?

What part of the loop comprises the statements to be executed?

What scenario would it make logical sense to use a multi-way selection statement for?

Given the following statement: "%4d" % var1, which of the following is accurate?

What statement should you use to print the value of total with a precision of 5 digits?

The simplest form of selection is the if-else statement.

What is NOT a Boolean or logical operator used in the Python language?

The Boolean data type is named for the twentieth-century British mathematician George Boole.

Conditional iteration requires that a condition be tested within the loop to determine whether the loop should continue.

The not operator has a lower precedence than the and and or operators.

4 != 4 evaluates to True.

Introduction

Software Development Data Types and Expressions

Strings and Text Files

Lists and Dictionaries

Design With Functions

Simple Graphics and Image Processing

Graphical User Interrfaces

Design With Classes

Multithreading Networks and Client Server Programming

Searching Sorting and Complexity Analysis

Filters