What is a higher-order function?

A function that returns a function

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skill lync -module 3 session 5 Python Functions and Lambda Expressions

71 termsStudBud Administration14 plays

Explore the concepts of functions, lambda functions, and their usage in Python programming

Flashcards71 cardsFPractice quizPHost liveL

Questions 71

Answers

1
Which is a benefit of keyword arguments in Python?
Mandatory usage
Code clarity
Faster computation
Less flexibility
2
What does 'def my_function(x=5):' do?
Sets default value
Defines a global variable
Creates a lambda function
Calls a function
3
Positional parameters must come before keyword arguments.
False
True
4
What's the main benefit of using nested functions?
Less code writing
Faster execution
Automatic testing
Code organization
5
Complete the sentence: Nested functions in Python are...
illegal
slower than normal
not always necessary
memory efficient
6
What does *args do?
Single argument
No argument
Keyword argument
Multiple arguments
7
What is a generator?
Returns values
Stores values
Yields values
Deletes values
8
What does a Python function return?
A value
A list
Nothing
A variable
9
What is a class method?
Has self parameter
No parameters
Has cls parameter
Has args parameter
10
Functions can be nested in Python.
True
False
11
What is a higher-order function?
A function that returns a function
A function that prints values
A function that calls itself
A function with no parameters
12
Nested functions are useful for creating which type of function?
Generator
Asynchronous
Recursive
Decorator
13
Which keyword defines a function?
lambda
function
method
def
14
What is a higher-order function?
Returns function
Returns variable
Returns class
Returns loop
15
What does 'def func(x, y=1, *, z)' specify in Python?
x is optional
y is keyword-only
z is keyword-only
z is positional
16
What is the correct order of arguments in Python functions?
All keywords
Random order
Positional, Keywords
Keywords, Positional
17
What is a coroutine?
Sync function
Loop
Async function
Class
18
Which statement about keyword arguments is false?
Optional
Improve readability
Can use defaults
Unordered
19
How do you define a nested function in Python?
def unrelated to def
def after another def
def inside another def
def before another def
20
What is a static method?
No class parameter
Has self parameter
Has class parameter
No self parameter
21
Why might you define a function inside another function?
To use more memory
To confuse readers
To slow down code
To enhance security
22
What is a nested function?
Loop in function
Function in function
Variable in function
Class in function
23
What does 'import' do in Python?
Deletes a variable
Creates a new function
Defines a class
Loads a module
24
What does 'return None' mean?
No value returned
Error in function
Function is recursive
Function is incomplete
25
What is a lambda function?
Anonymous function
Named function
Class
Loop
26
Why encapsulate a function within another function?
To increase its size
To declare it globally
To hide it from users
To make it run faster
27
All functions in Python support keyword arguments.
False
True
28
Why use keyword arguments in function calls?
Flexibility in order
Mandatory parameters
Reduce code size
Increase execution speed
29
How do keyword arguments appear in a function call?
Before positional
Without values
Any order
After positional
30
Which is incorrect about Python functions?
Can return multiple values
Only use named arguments
Support recursion
Can have default values
31
Functions can have variable-length arguments.
True
False
32
Functions can return multiple values.
True
False
33
What happens if you mix up positional and keyword arguments?
Code runs fine
Syntax warning
Logical error
Syntax error
34
Which of these is not a built-in function?
len()
type()
print()
my_function()
35
What error occurs if positional arguments follow keyword arguments?
SyntaxError
TypeError
RuntimeError
ValueError
36
Functions can be called multiple times.
False
True
37
What is a decorator in Python?
A loop
A variable
A class
A function
38
What is the output of 'print(type([]))'?
dict
list
array
tuple
39
What does 'lambda x: x * 2' do?
Squares the input
Inverts the input
Halves the input
Doubles the input
40
Which is not a feature of nested functions?
Have own scope
Directly modify globals
Return functions
Access outer variables
41
What does 'import math' do?
Imports math functions
Creates a math class
Deletes math functions
Defines a math variable
42
What is a recursive function?
Calls class
Calls itself
Calls loop
Calls other function
43
How to call a function?
call func
execute func
run func
func()
44
What does 'def my_function():' do?
Defines a function
Creates a variable
Imports a module
Calls a function
45
What is the default return value?
None
False
0
Empty string
46
A function can have multiple parameters
True
False
47
What does a nested function allow you to do?
Reduce memory
Encapsulate logic
Reuse code
Increase speed
48
Functions can modify global variables.
False
True
49
Lambda functions are anonymous functions.
True
False
50
What does **kwargs do?
Single argument
Keyword arguments
Multiple arguments
No argument
51
Functions can take default parameters.
True
False
52
Functions can return multiple values
False
True
53
What is a method?
Class function
Variable
Decorator
Loop
54
Functions can be passed as arguments.
True
False
55
How are keyword arguments specified in a function definition?
With equals sign
With parentheses
With colon
With curly braces
56
What symbol is used for decorators?
&
$
@
#
57
What is the purpose of 'return'?
End a function
Send back a value
Import a module
Create a variable
58
What is the purpose of 'pass' in a function?
Return a value
Import a module
Do nothing
End the function
59
Which of these is a valid lambda syntax?
lambda x: x + 1
lambda x, y: x + y
lambda: x + 1
lambda x: return x + 1
60
Which is a valid Python function definition?
def func(x, y=1): pass
def func(x=1, y): pass
def func(x=1, y=1): pass
def func(x, y): pass
61
What is a property?
Variable attribute
Class attribute
Function attribute
Loop attribute
62
What is a closure?
Class with state
Loop with state
Function with state
Function without state
63
Which is true about positional parameters?
Named in function call
Must be first
Always optional
Can't have defaults
64
What can nested functions help to achieve in Python?
Parallel processing
Web scraping
Data hiding
Networking
65
What keyword defines a function?
func
def
define
function
66
What is a module?
File with code
Loop
Function
Class
67
What is a docstring?
A built-in function
Documentation for a function
A syntax error
A type of variable
68
What is a docstring?
Documentation string
Function name
Return value
Parameter
69
Parameters are passed by reference
True
False
70
Nested functions can access variables from the enclosing scope.
False
True
71
What is a lambda function?
A named function
A recursive function
A built-in function
An anonymous function

skill lync -module 3 session 5 Python Functions and Lambda Expressions Flashcards | StudBud

skill lync -module 3 session 5 Python Functions and Lambda Expressions

71 termsStudBud Administration14 plays

Explore the concepts of functions, lambda functions, and their usage in Python programming

Flashcards71 cardsFPractice quizPHost liveL

Questions 71

Answers

1
Which is a benefit of keyword arguments in Python?
Mandatory usage
Code clarity
Faster computation
Less flexibility
2
What does 'def my_function(x=5):' do?
Sets default value
Defines a global variable
Creates a lambda function
Calls a function
3
Positional parameters must come before keyword arguments.
False
True
4
What's the main benefit of using nested functions?
Less code writing
Faster execution
Automatic testing
Code organization
5
Complete the sentence: Nested functions in Python are...
illegal
slower than normal
not always necessary
memory efficient
6
What does *args do?
Single argument
No argument
Keyword argument
Multiple arguments
7
What is a generator?
Returns values
Stores values
Yields values
Deletes values
8
What does a Python function return?
A value
A list
Nothing
A variable
9
What is a class method?
Has self parameter
No parameters
Has cls parameter
Has args parameter
10
Functions can be nested in Python.
True
False
11
What is a higher-order function?
A function that returns a function
A function that prints values
A function that calls itself
A function with no parameters
12
Nested functions are useful for creating which type of function?
Generator
Asynchronous
Recursive
Decorator
13
Which keyword defines a function?
lambda
function
method
def
14
What is a higher-order function?
Returns function
Returns variable
Returns class
Returns loop
15
What does 'def func(x, y=1, *, z)' specify in Python?
x is optional
y is keyword-only
z is keyword-only
z is positional
16
What is the correct order of arguments in Python functions?
All keywords
Random order
Positional, Keywords
Keywords, Positional
17
What is a coroutine?
Sync function
Loop
Async function
Class
18
Which statement about keyword arguments is false?
Optional
Improve readability
Can use defaults
Unordered
19
How do you define a nested function in Python?
def unrelated to def
def after another def
def inside another def
def before another def
20
What is a static method?
No class parameter
Has self parameter
Has class parameter
No self parameter
21
Why might you define a function inside another function?
To use more memory
To confuse readers
To slow down code
To enhance security
22
What is a nested function?
Loop in function
Function in function
Variable in function
Class in function
23
What does 'import' do in Python?
Deletes a variable
Creates a new function
Defines a class
Loads a module
24
What does 'return None' mean?
No value returned
Error in function
Function is recursive
Function is incomplete
25
What is a lambda function?
Anonymous function
Named function
Class
Loop
26
Why encapsulate a function within another function?
To increase its size
To declare it globally
To hide it from users
To make it run faster
27
All functions in Python support keyword arguments.
False
True
28
Why use keyword arguments in function calls?
Flexibility in order
Mandatory parameters
Reduce code size
Increase execution speed
29
How do keyword arguments appear in a function call?
Before positional
Without values
Any order
After positional
30
Which is incorrect about Python functions?
Can return multiple values
Only use named arguments
Support recursion
Can have default values
31
Functions can have variable-length arguments.
True
False
32
Functions can return multiple values.
True
False
33
What happens if you mix up positional and keyword arguments?
Code runs fine
Syntax warning
Logical error
Syntax error
34
Which of these is not a built-in function?
len()
type()
print()
my_function()
35
What error occurs if positional arguments follow keyword arguments?
SyntaxError
TypeError
RuntimeError
ValueError
36
Functions can be called multiple times.
False
True
37
What is a decorator in Python?
A loop
A variable
A class
A function
38
What is the output of 'print(type([]))'?
dict
list
array
tuple
39
What does 'lambda x: x * 2' do?
Squares the input
Inverts the input
Halves the input
Doubles the input
40
Which is not a feature of nested functions?
Have own scope
Directly modify globals
Return functions
Access outer variables
41
What does 'import math' do?
Imports math functions
Creates a math class
Deletes math functions
Defines a math variable
42
What is a recursive function?
Calls class
Calls itself
Calls loop
Calls other function
43
How to call a function?
call func
execute func
run func
func()
44
What does 'def my_function():' do?
Defines a function
Creates a variable
Imports a module
Calls a function
45
What is the default return value?
None
False
0
Empty string
46
A function can have multiple parameters
True
False
47
What does a nested function allow you to do?
Reduce memory
Encapsulate logic
Reuse code
Increase speed
48
Functions can modify global variables.
False
True
49
Lambda functions are anonymous functions.
True
False
50
What does **kwargs do?
Single argument
Keyword arguments
Multiple arguments
No argument
51
Functions can take default parameters.
True
False
52
Functions can return multiple values
False
True
53
What is a method?
Class function
Variable
Decorator
Loop
54
Functions can be passed as arguments.
True
False
55
How are keyword arguments specified in a function definition?
With equals sign
With parentheses
With colon
With curly braces
56
What symbol is used for decorators?
&
$
@
#
57
What is the purpose of 'return'?
End a function
Send back a value
Import a module
Create a variable
58
What is the purpose of 'pass' in a function?
Return a value
Import a module
Do nothing
End the function
59
Which of these is a valid lambda syntax?
lambda x: x + 1
lambda x, y: x + y
lambda: x + 1
lambda x: return x + 1
60
Which is a valid Python function definition?
def func(x, y=1): pass
def func(x=1, y): pass
def func(x=1, y=1): pass
def func(x, y): pass
61
What is a property?
Variable attribute
Class attribute
Function attribute
Loop attribute
62
What is a closure?
Class with state
Loop with state
Function with state
Function without state
63
Which is true about positional parameters?
Named in function call
Must be first
Always optional
Can't have defaults
64
What can nested functions help to achieve in Python?
Parallel processing
Web scraping
Data hiding
Networking
65
What keyword defines a function?
func
def
define
function
66
What is a module?
File with code
Loop
Function
Class
67
What is a docstring?
A built-in function
Documentation for a function
A syntax error
A type of variable
68
What is a docstring?
Documentation string
Function name
Return value
Parameter
69
Parameters are passed by reference
True
False
70
Nested functions can access variables from the enclosing scope.
False
True
71
What is a lambda function?
A named function
A recursive function
A built-in function
An anonymous function