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ISA 221 Final Exam Question and answers already passed 2023
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ISA 221 Final ExamThis is the first index in a string.
a. - 1
b. 1
c. 0
d. The size of the string minus one - correct answer 0
This is the last index in a string.
a. 1
b. 99
c. 0
d. The size of the string minus one - correct answer The size of the string minus one
This will happen if you try to use an index that is out of range for a string.
a. A ValueError exception will occur.
b. An IndexError exception will occur.
c. The string will be erased and the program will continue to run.
d. Nothing-the invalid index will be ignored. - correct answer An IndexError exception
will occur.
This function returns the length of a string.
a. length
b. size
c. len
d. lengthof - correct answer len
This string method returns a copy of the string with all leading whitespace characters
removed.
a. lstrip
b. rstrip
c. remove
d. strip_leading - correct answer lstrip
This string method returns the lowest index in the string where a specified substring is
found.
a. first index of
b. locate
c. find
d. index of - correct answer find
This operator determines whether one string is contained inside another string.
a. contains
b. is in
c. ==
,d. in - correct answer in
This string method returns true if a string contains only alphabetic characters and is at
least one character in length.
a. the isalpha method
b. the alpha method
c. the alphabetic method
d. the isletters method - correct answer the isalpha method
This string method returns true if a string contains only numeric digits and is at least one
character in length.
a. the digit method
b. the isdigit method
c. the numeric method
d. the isnumber method - correct answer the isdigit method
This string method returns a copy of the string with all leading and trailing whitespace
characters removed.
a. clean
b. strip
c. remove_whitespace
d. rstrip - correct answer strip
Once a string is created, it cannot be changed.
T or F - correct answer True
You can use the for loop to iterate over the individual characters in a string.
T or F - correct answer True
The isupper method converts a string to all uppercase characters.
T or F - correct answer False
The repetition operator ( *) works with strings as well as with lists.
T or F - correct answer True
When you call a string's split method, the method divides the string into two substrings.
T or F - correct answer False
function - correct answer A group of statements that exist within a program for the
purpose of performing a specific task is a(n) _________.
, code reuse - correct answer A design technique that programmers use to reduce the
duplication of code within a program and is a benefit of using functions as _________.
header - correct answer The first line of a module definition is known as the
_________.
call - correct answer You _________ the module to execute it.
Top Down Design - correct answer A design technique that programmers use to break
down an algorithm into modules is know as _________.
hierarchy chart - correct answer A _________ is a diagram that gives a visual
representation of the relationships between modules in a program.
local variable - correct answer A _________ is a variable that is declared inside a
module.
scope - correct answer A(n) _________ is the part of a program in which a variable
may be accessed.
argument - correct answer A(n) _________ is a piece of data that is sent into a
function.
parameter - correct answer A(n) _________ is a special variable that receives a piece
of data when a module is called.
global variable - correct answer A variable that is visible to every module in the
program is a _________.
global - correct answer When possible, you should avoid using _________ variables
in a program.
library function - correct answer This is a prewritten function that is built into a
programming language
randint - correct answer This standard library function returns a random integer within
a special range of values.
random - correct answer This standard library function returns a random floating-point
number in the range of 0.0 up to 1.0 (but not including 1.0).
uniform - correct answer This standard library function returns a random floating-point
number within a specified range of values.
return - correct answer This statement causes a function to end and sends a value
back to the part of the program that called the function.
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