Computer Assignment
The function int() can be used to turn input into a number
int()
A variable that can only have two values, True or False. Boolean if else elif
Boolean
Returns a set, that is the intersection of two other sets
intersection()
Removes the specified element
remove()
Evaluate (to true or false) each of the following expressions: 14 <= 14 14 < 14 -9 > -25 -25 > -9
. true false true false
Returns a copy of the set
copy()
Which of the following are valid if/else statements in Python, assuming x and y are defined appropriately: if x < y: if x > 10: print('foo') if x < y: print('foo'); print('bar'); print('baz') if x < y: print('foo') else: print('bar') print("foo") if x > y else print("bar")
if x < y: print('foo'); print('bar'); print('baz') print("foo") if x > y else print("bar")
constructs a string from a wide variety of data types, including strings, integer literals and float literals
str()
Is Python case sensitive while dealing with identifiers ? True False
true
How to swap two variables in one line ? x=y x,y=y,x You have to create a temporary variable to swap two values
x,y=y,x
A function which outputs information to the console
print()
How do you create a variable with the numeric value 5? A. x=int(5) B. x=5 C. Both the other answers are correct
C. Both the other answers are correct
Removes an element from the set
pop()
Removes the items in this set that are also included in another, specified set
difference_update()
Returns whether another set contains this set or not
issubset()
Update the set with the union of this set and others
update()
constructs an integer number from an integer literal, a float literal (by rounding down to the previous whole number), or a string literal (providing the string represents a whole number)
int()
Used to mark a line in the programme as a comment
#
What signifies the end of a statement block or suite in Python?
A line that is indented less than the previous line
3. Which statement is used to stop a loop? A.stop B.break C.exit D.pass
B.break
Removes all the elements from the set
clear()
Remove the specified item
discard()
an object-orientated language, and as such it uses classes to define data types, including its primitive types.
Python
when dealing with whitespaces, indent the code with the use of __ spaces.
4
A test for equality
==
What is the correct file extension for Python files? A. .py B. .pt C. .pyth D. .pyt
A. .py
Which of these collections defines a LIST? A. ["apple", "banana", "cherry"] B. ("apple", "banana", "cherry") C. {"name": "apple", "color": "green"} D. {"apple", "banana", "cherry"}
A. ["apple", "banana", "cherry"]
4. Select which is true for for loop A.Python's for loop used to iterates over the items of list, tuple, dictionary, set, or string B.else clause of for loop is executed when the loop terminates naturally C.else clause of for loop is executed when the loop terminates abruptly D.using for loop when we want to perform a task indefinitely until a particular condition is met E.With the for loop we can execute a set of statements, once for each item in a list, tuple, set etc.
A.Python's for loop used to iterates over the items of list, tuple, dictionary, set, or string, E.With the for loop we can execute a set of statements, once for each item in a list, tuple, set etc.
Which one is NOT a legal variable name? Choose all the answers apply A. Myvar B. My-var C. _myvar D. My_var E. myVar1 F. 1myVar G. True
B. My-var F. 1myVar G. True
How do you start writing an if statement in Python? A.if x>y then: B. if x>y: C. if (x>y) D. IF x>y:
B. if x>y:
. How do you start writing a for loop in Python? A.for each x in y: B.for x in y: C.for x>y: D.For x In y:
B.for x in y:
How do you insert COMMENTS in Python code? A. /* This is a comment */ B. // This is a comment C. # This is a comment
C. # This is a comment
What is a correct syntax to output "Hello World" in Python? A. echo "Hello World" B. p("Hello World") C. print("Hello World") D. print('Hello World')
C. print("Hello World") D. print('Hello World')
Which operator can be used to compare two values? A> B. = C． == D．><
C． ==
If the condition is evaluated to true, the statement(s) of if block will be executed, otherwise the statement(s) in else block(if else is specified) will be executed. True or False
True
A _____ is like a light switch. It can only have two values. Just like a light switch can only be on or off, a boolean can only be True or False
boolean
Returns a set containing the difference between two or more sets
difference()
constructs a float number from an integer literal, a float literal or a string literal (providing the string represents a float or an integer)
float()
