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