Python Introduction to Programming
Final Exam Review Questions and
Answers19
First characters of a variable names: - ANSWERS-cannot be a number
If a variable has not been assigned a value - ANSWERS-0 will not display since the variable was
not assigned 0 to begin with
A _____ can execute a set of statements only certain circumstances - ANSWERS-Decision
Structure
A ____ provides one alternative path of executions - ANSWERS-Single Alternative Decision
Boolean has a value of either - ANSWERS-True or False
A compound boolean expression created with the "or" operator is true if: - ANSWERS-Either of
its sub-expressions are true
A ____ can be nested inside another decision structure - ANSWERS-Decision structure
A compound boolean expression created with the "and" operator is true only when: -
ANSWERS-Both sub-expression sare true
The while loop is a ___ type of loop - ANSWERS-Pretest
,An ____ loop has no way of ending and repeats until the program is interrupted - ANSWERS-
Infinite Loop
The -= operator is an example of a(n) _______ - ANSWERS-augmented assignment operator
A(n) ______ is a special value that signals when there are no more items from a list of items to
be processed. This value cannot be mistaken as an item from the list - ANSWERS-sentinel
It is _____ that a condition-controlled loop always repeats a specific number of times -
ANSWERS-false
x= x-1 does? - ANSWERS-subtracts 1 from x
It is necessary to initialize ______ - ANSWERS-accumulator variables
In a ________, the inner loop goes through all of its iterations for every single iteration of the
outer loop - ANSWERS-nested loop
To calculate the total number of iterations of a nested loop, you ____ the number of iterations
of all the loops - ANSWERS-multiply
Design technique that helps to reduce the duplication of code within a program and is a benefit
of using functions is _____ - ANSWERS-code reuse
The first line of a function definition is known as the _____ - ANSWERS-header
You ____ a function to execute it - ANSWERS-call
, A ______ is a variable that is created inside a function - ANSWERS-local variable
A(n) ____ is the part of a program in which a variable may be accessed - ANSWERS-Scope
A(n) _______ is a piece of data that is sent into a function - ANSWERS-argument
A(n) ______ is a special variable that receives a piece of data when a function is called -
ANSWERS-parameter
A ________ does not prevent the program from running, but causes it to produce incorrect
result - ANSWERS-Syntax Error
A ______ is sequence of characters - ANSWERS-String
A ____ is a name that references a value in the computer's memory - ANSWERS-Variable
A _____ in python must be enclosed in either single or double-quotes - ANSWERS-String Literal
Short notes placed in different parts of a program explaining how these parts of the program
work are called - ANSWERS-Comments
A(n) ______ makes a variable reference a value in the computer's memory - ANSWERS-
Assignment Statement
The ___ symbol marks the beginning of a comment in python - ANSWERS-#
Values on the right and left of an operator symbol (+) are called: - ANSWERS-Operands
Final Exam Review Questions and
Answers19
First characters of a variable names: - ANSWERS-cannot be a number
If a variable has not been assigned a value - ANSWERS-0 will not display since the variable was
not assigned 0 to begin with
A _____ can execute a set of statements only certain circumstances - ANSWERS-Decision
Structure
A ____ provides one alternative path of executions - ANSWERS-Single Alternative Decision
Boolean has a value of either - ANSWERS-True or False
A compound boolean expression created with the "or" operator is true if: - ANSWERS-Either of
its sub-expressions are true
A ____ can be nested inside another decision structure - ANSWERS-Decision structure
A compound boolean expression created with the "and" operator is true only when: -
ANSWERS-Both sub-expression sare true
The while loop is a ___ type of loop - ANSWERS-Pretest
,An ____ loop has no way of ending and repeats until the program is interrupted - ANSWERS-
Infinite Loop
The -= operator is an example of a(n) _______ - ANSWERS-augmented assignment operator
A(n) ______ is a special value that signals when there are no more items from a list of items to
be processed. This value cannot be mistaken as an item from the list - ANSWERS-sentinel
It is _____ that a condition-controlled loop always repeats a specific number of times -
ANSWERS-false
x= x-1 does? - ANSWERS-subtracts 1 from x
It is necessary to initialize ______ - ANSWERS-accumulator variables
In a ________, the inner loop goes through all of its iterations for every single iteration of the
outer loop - ANSWERS-nested loop
To calculate the total number of iterations of a nested loop, you ____ the number of iterations
of all the loops - ANSWERS-multiply
Design technique that helps to reduce the duplication of code within a program and is a benefit
of using functions is _____ - ANSWERS-code reuse
The first line of a function definition is known as the _____ - ANSWERS-header
You ____ a function to execute it - ANSWERS-call
, A ______ is a variable that is created inside a function - ANSWERS-local variable
A(n) ____ is the part of a program in which a variable may be accessed - ANSWERS-Scope
A(n) _______ is a piece of data that is sent into a function - ANSWERS-argument
A(n) ______ is a special variable that receives a piece of data when a function is called -
ANSWERS-parameter
A ________ does not prevent the program from running, but causes it to produce incorrect
result - ANSWERS-Syntax Error
A ______ is sequence of characters - ANSWERS-String
A ____ is a name that references a value in the computer's memory - ANSWERS-Variable
A _____ in python must be enclosed in either single or double-quotes - ANSWERS-String Literal
Short notes placed in different parts of a program explaining how these parts of the program
work are called - ANSWERS-Comments
A(n) ______ makes a variable reference a value in the computer's memory - ANSWERS-
Assignment Statement
The ___ symbol marks the beginning of a comment in python - ANSWERS-#
Values on the right and left of an operator symbol (+) are called: - ANSWERS-Operands
