Question 1

Subexpressions may not contain subexpressions of their own.

Accepted Answer

A) True 
 B)False

Question 2

Values can be converted from one data type to another by

Accepted Answer

A)  coercion 
B)  type conversion 
C)  type titration 
D)  both A and B 
A)  coercion 
B)  type conversion 
C)  type titration 
D)  both A and B

Question 3

The format function is only for use with numeric values.

Accepted Answer

A) True 
 B)False

Question 4

The following expression is an example of
(float) 2 + 4.5

Accepted Answer

A)  type Coercion 
B)  type Titration 
C)  type Conversion 
D)  type Concentration 
A)  type Coercion 
B)  type Titration 
C)  type Conversion 
D)  type Concentration

Question 5

For the following input statement in which the user enters as input 35, what is displayed by the following
Age = input('Enter your age: ')
Print("You are", age//10, "decades old")

Accepted Answer

A)  You are 3 decades old 
B)  You are 3.5 decades old 
C)  TypeError: unsupported operand type(s) for //: 'str' and 'int' 
A)  You are 3 decades old 
B)  You are 3.5 decades old 
C)  TypeError: unsupported operand type(s) for //: 'str' and 'int'

Question 6

A variable in Python is an identifier that is assigned a value.

Accepted Answer

A) True 
 B)False

Question 7

Assume that variables k and num have both been initialized to 10, which of the following is true?

Accepted Answer

A)  id(k), id(num) and id(10) will each give a different result 
B)  id(k), id(num) and id(10) will all give the same result 
C)  id(k) and id(num) will be the same because they are variables, but not id(10) because it is an immutable value 
D)  It depends on the order k and num were initialized 
A)  id(k), id(num) and id(10) will each give a different result 
B)  id(k), id(num) and id(10) will all give the same result 
C)  id(k) and id(num) will be the same because they are variables, but not id(10) because it is an immutable value 
D)  It depends on the order k and num were initialized

Question 8

Match the respective data types with their value:
-Float

Accepted Answer

A)  14 
B)  12.47 
C)  'Hello' 
A)  14 
B)  12.47 
C)  'Hello'

Question 9

Indicate what is displayed by the following print statement, for n = 8.096.
Print('n = ', format(n,'.1f'))

Accepted Answer

A)  8.0 
B)  8.09 
C)  8.1 
D)  8.096 
A)  8.0 
B)  8.09 
C)  8.1 
D)  8.096

Question 10

Give two expressions in Python, one using the minus symbol (-) as a unary operator, and one using it as a binary operator.

Accepted Answer

The answer of Give two expressions in Python, one using...

Question 11

Since any floating-point representation contains only a finite number of digits, what is stored for many floating-point values is only an approximation of the true value.

Accepted Answer

A) True 
 B)False

Question 12

In Python, string literals may contain

Accepted Answer

A)  letters 
B)  digits 
C)  blanks 
D)  special Characters 
E)  all of the above 
A)  letters 
B)  digits 
C)  blanks 
D)  special Characters 
E)  all of the above

Question 13

Python built-in functions _____ and _____ can be used to convert a string type to a numeric type.

Accepted Answer

The answer of Python built-in functions _____ and _____ can...

Question 14

Truncated division, denoted by //, truncates the result of a division operation as either an integer or floating-point value, based on the types of operands it is applied to.

Accepted Answer

A) True 
 B)False

Question 15

In Python, string literals may contain quotes as part of its value.

Accepted Answer

A) True 
 B)False

Question 16

In Python, a comma can be used in numerical literal values greater than 999. That is, one thousand can be represented as either 1,000 or 1000 within a Python program.

Accepted Answer

A) True 
 B)False

Question 17

In Python, the resulting value from a numeric calculation resulting in arithmetic underflow is

Accepted Answer

A)  0.0 
B)  inf 
C)  9999999999999999 
D)  -1 
A)  0.0 
B)  inf 
C)  9999999999999999 
D)  -1

Question 18

Identifiers in Python may not contain blank characters.

Accepted Answer

A) True 
 B)False

Question 19

Match the respective data types with their value:
-Integer

Accepted Answer

A)  13 
B)  12.46 
C)  'Hello' 
A)  13 
B)  12.46 
C)  'Hello'

Question 20

Give the character endoding of the letter 'D' in Python.

Accepted Answer

The answer of Give the character endoding of the letter...

Subexpressions may not contain subexpressions of their own.

Values can be converted from one data type to another by

The format function is only for use with numeric values.

The following expression is an example of (float) 2 + 4.5

For the following input statement in which the user enters as input 35, what is displayed by the following Age = input('Enter your age: ') Print("You are", age//10, "decades old")

A variable in Python is an identifier that is assigned a value.

Assume that variables k and num have both been initialized to 10, which of the following is true?

Match the respective data types with their value: -Float

Indicate what is displayed by the following print statement, for n = 8.096. Print('n = ', format(n,'.1f'))

Give two expressions in Python, one using the minus symbol (-) as a unary operator, and one using it as a binary operator.

Since any floating-point representation contains only a finite number of digits, what is stored for many floating-point values is only an approximation of the true value.

In Python, string literals may contain

Python built-in functions _ and _ can be used to convert a string type to a numeric type.

Truncated division, denoted by //, truncates the result of a division operation as either an integer or floating-point value, based on the types of operands it is applied to.

In Python, string literals may contain quotes as part of its value.

In Python, a comma can be used in numerical literal values greater than 999. That is, one thousand can be represented as either 1,000 or 1000 within a Python program.

In Python, the resulting value from a numeric calculation resulting in arithmetic underflow is

Identifiers in Python may not contain blank characters.

Match the respective data types with their value: -Integer

Give the character endoding of the letter 'D' in Python.

Introduction

Control Structures

Lists

Functions

Objects and Their Use

Modular Design

Text Files

Dictionaries and Sets

Object-Oriented Programming

Recursion

Filters

Exam 2: Data and Expressions

Subexpressions may not contain subexpressions of their own.

Values can be converted from one data type to another by

The format function is only for use with numeric values.

The following expression is an example of (float) 2 + 4.5

For the following input statement in which the user enters as input 35, what is displayed by the following Age = input('Enter your age: ') Print("You are", age//10, "decades old")

A variable in Python is an identifier that is assigned a value.

Assume that variables k and num have both been initialized to 10, which of the following is true?

Match the respective data types with their value: -Float

Indicate what is displayed by the following print statement, for n = 8.096. Print('n = ', format(n,'.1f'))

Give two expressions in Python, one using the minus symbol (-) as a unary operator, and one using it as a binary operator.

Since any floating-point representation contains only a finite number of digits, what is stored for many floating-point values is only an approximation of the true value.

In Python, string literals may contain

Python built-in functions _____ and _____ can be used to convert a string type to a numeric type.

Truncated division, denoted by //, truncates the result of a division operation as either an integer or floating-point value, based on the types of operands it is applied to.

In Python, string literals may contain quotes as part of its value.

In Python, a comma can be used in numerical literal values greater than 999. That is, one thousand can be represented as either 1,000 or 1000 within a Python program.

In Python, the resulting value from a numeric calculation resulting in arithmetic underflow is

Identifiers in Python may not contain blank characters.

Match the respective data types with their value: -Integer

Give the character endoding of the letter 'D' in Python.

Introduction

Control Structures

Lists

Functions

Objects and Their Use

Modular Design

Text Files

Dictionaries and Sets

Object-Oriented Programming

Recursion

Filters

Python built-in functions _ and _ can be used to convert a string type to a numeric type.