Arguments of Python
1.What is an argument in Python?
A. A variable declared inside a function
B. A value passed to a function when calling it
C. A method used to modify an object
D. A conditional statement used in a loop
Answer :B
Explanation: B. An argument in Python refers to a value passed to a function when calling it.
2.What is a default argument in Python?
A. A variable declared inside a function
B. A value passed to a function when calling it
C. A value assigned to a parameter in a function definition
D. A method used to modify an objectA
Answer :C
Explanation: C. A default argument in Python is a value assigned to a parameter in a function definition, which is used if no argument is passed for that parameter when calling the function.
3.How can you define a function in Python with arguments?
A. def function_name():
B. def function_name(arguments):
C. def function_name(*arguments):
D. def function_name(arguments,*args):
Answer : D
Explanation: D. You can define a function in Python with arguments by using the syntax def function_name(arguments,*args):, where “arguments” refers to the required arguments and “*args” refers to any additional arguments.
4.What is a keyword argument in Python?
A. An argument passed by its name instead of position
B. An argument that must be passed to a function
C. An argument that is optional when calling a function
D. An argument that has a default value
Answer :A
Explanation: A. A keyword argument in Python is an argument passed by its name instead of position, which allows you to specify the value of any parameter by its name.
5.What is a variable-length argument in Python?
A. An argument passed by its name instead of position
B. An argument that must be passed to a function
C. An argument that is optional when calling a function
D. An argument that can take any number of values
Answer 😀
Explanation: D. A variable-length argument in Python is an argument that can take any number of values, which is defined using the syntax *args in a function definition.
6.What is the purpose of the **kwargs argument in Python?
A. To pass a variable number of arguments to a function
B. To pass keyword arguments to a function
C. To define a function that takes a variable number of arguments
D. To define a function that takes keyword arguments
Answer :B
Explanation: B. The **kwargs argument in Python is used to pass keyword arguments to a function.
7.How can you pass arguments to a Python function as a tuple?
A. By using the syntax *args when calling the function
B. By using the syntax **kwargs when calling the function
C. By using the syntax *args in the function definition
D. By using the syntax **kwargs in the function definition
Answer :A
Explanation: A. You can pass arguments to a Python function as a tuple by using the syntax *args when calling the function, which converts the arguments to a tuple.
8.How can you pass arguments to a Python function as a dictionary?
A. By using the syntax *args when calling the function
B. By using the syntax **kwargs when calling the function
C. By using the syntax *args in the function definition
D. By using the syntax **kwargs in the function definition
Answer :B
Explanation: B. You can pass arguments to a Python function as a dictionary by using the syntax **kwargs when calling the function, which converts the arguments to a dictionary.
9.Can a Python function have both required and optional arguments?
A. Yes, a function can have both required and optional arguments.
B. No, a function can only have either required or optional arguments.
C. It depends on the version of Python being used.
D. It depends on the type of function being defined.
Answer :A
Explanation: A. A Python function can have both required and optional arguments by defining the required arguments first, followed by any optional arguments with default values.
10.How can you pass a list as an argument to a Python function?
A. By passing the list as a comma-separated series of values
B. By enclosing the list in square brackets when calling the function
C. By using the syntax *args when calling the function
D. By using the syntax **kwargs when calling the function
Answer :B
Explanation: B. You can pass a list as an argument to a Python function by enclosing the list in square brackets when calling the function.
11.What is the purpose of the * operator in Python function arguments?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To pass a dictionary as an argument
D. To specify a required argument
Answer :A
Explanation: A. The * operator in Python function arguments is used to unpack a list or tuple into separate arguments.
12.What is the purpose of the ** operator in Python function arguments?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To pass a dictionary as an argument
D. To specify a required argument
Answer :C
Explanation: C. The ** operator in Python function arguments is used to pass a dictionary as an argument.
13.Can you specify the order of optional arguments in a Python function?
A. Yes, the order of optional arguments can be specified in a Python function.
B. No, the order of optional arguments is always fixed.
C. It depends on the version of Python being used.
D. It depends on the type of function being defined.
Answer :A
Explanation: A. The order of optional arguments in a Python function can be specified by defining the required arguments first, followed by the optional arguments with default values in the desired order.
14.What is the purpose of the *args and **kwargs arguments in a Python function?
A. To pass a variable number of arguments to a function
B. To define a function that takes a variable number of arguments
C. To pass keyword arguments to a function
D. To specify the order of optional arguments in a function
Answer :A
Explanation: A. The *args and **kwargs arguments in a Python function are used to pass a variable number of arguments and/or keyword arguments to a function.
15.What is the difference between a mutable and immutable object in Python?
A. A mutable object can be changed after it is created, while an immutable object cannot be changed.
B. A mutable object can only be changed using the del statement, while an immutable object cannot be changed.
C. A mutable object can only be changed using a method, while an immutable object cannot be changed.
D. A mutable object cannot be used as an argument to a function, while an immutable object can.
Answer :A
Explanation: A. The difference between a mutable and immutable object in Python is that a mutable object can be changed after it is created, while an immutable object cannot be changed.a
16.What is the purpose of the * symbol when used with a list in Python?
A. To pack the list into a single argument
B. To unpack the list into separate arguments
C. To convert the list to a tuple
D. To reverse the order of the elements in the list
Answer :B
Explanation: B. The * symbol when used with a list in Python is used to unpack the list into separate arguments.
17.What is the difference between keyword arguments and positional arguments in Python?
A. Keyword arguments are optional, while positional arguments are required.
B. Keyword arguments are specified using a keyword, while positional arguments are specified based on their position.
C. Keyword arguments are always passed as dictionaries, while positional arguments are always passed as tuples.
D. There is no difference between keyword arguments and positional arguments.
Answer :B
Explanation: B. The difference between keyword arguments and positional arguments in Python is that keyword arguments are specified using a keyword, while positional arguments are specified based on their position.
Arguments of Python
18.Can a Python function have a default value for a required argument?
A. Yes, a function can have a default value for a required argument.
B. No, a function cannot have a default value for a required argument.
C. It depends on the version of Python being used.
D. It depends on the type of function being defined.
Answer :B
Explanation: B. A required argument in Python cannot have a default value. If a default value is specified, the argument becomes optional.
19.What is the purpose of the * operator in Python function calls?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To pass a dictionary as an argument
D. To specify a required argument
Answer :A
Explanation: A. The * operator in Python function calls is used to unpack a list or tuple into separate arguments.
20.What is the purpose of the ** operator in Python function calls?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To pass a dictionary as an argument
D. To specify a required argument
Answer :C
Explanation: C. The ** operator in Python function calls is used to pass a dictionary as an argument.
21.What is the difference between a function and a method in Python?
A. A function is defined inside a class, while a method is defined outside of a class.
B. A function operates on objects of a specific type, while a method operates on the class as a whole.
C. A function is a standalone block of code, while a method is associated with an object or class.
D. There is no difference between a function and a method.
Answer :C
Explanation: C. The difference between a function and a method in Python is that a function is a standalone block of code, while a method is associated with an object or class.
22.Can a Python function take no arguments?
A. Yes, a function can take no arguments in Python.
B. No, a function must always take at least one argument.
C. It depends on the version of Python being used.
D. It depends on the type of function being defined.
Answer :A
Explanation: A. A Python function can take no arguments by simply defining the function with no parameters.
23.Can a Python function take an infinite number of arguments?
A. Yes, a function can take an infinite number of arguments in Python.
B. No, a function can only take a finite number of arguments.
C. It depends on the version of Python being used.
D. It depends on the type of function being defined.
Answer :A
Explanation: A. A Python function can take an infinite number of arguments by using the *args or **kwargs syntax.
24.What is the purpose of the lambda keyword in Python?
A. To define a function
B. To define a class
C. To define a variable
D. To define a loop
Answer :A
Explanation: A. The lambda keyword in Python is used to define a function, specifically an anonymous function that can be defined in one line.
25.What is the purpose of the *args syntax in a Python function definition?
A. To specify required arguments
B. To specify keyword arguments
C. To specify an arbitrary number of positional arguments
D. To specify an arbitrary number of keyword arguments
Answer :C
Explanation: C. The *args syntax in a Python function definition is used to specify an arbitrary number of positional arguments.
26.What is the purpose of the **kwargs syntax in a Python function definition?
A. To specify required arguments
B. To specify keyword arguments
C. To specify an arbitrary number of positional arguments
D. To specify an arbitrary number of keyword arguments
Answer 😀
Explanation: D. The **kwargs syntax in a Python function definition is used to specify an arbitrary number of keyword arguments.
27.What is the difference between a mutable and immutable object in Python?
A. A mutable object can be changed after it is created, while an immutable object cannot be changed.
B. A mutable object cannot be changed after it is created, while an immutable object can be changed.
C. A mutable object is a subclass of an immutable object.
D. There is no difference between a mutable and immutable object.
Answer :A
Explanation: A. The difference between a mutable and immutable object in Python is that a mutable object can be changed after it is created, while an immutable object cannot be changed. Examples of mutable objects include lists and dictionaries, while examples of immutable objects include strings and tuples.
28.What is the purpose of the * operator in Python function definitions?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To specify a required argument
D. To specify a keyword argument
Answer :B
Explanation: B. The * operator in Python function definitions is used to pack a list or tuple into a single argument.
29.What is the purpose of the ** operator in Python function definitions?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To specify a required argument
D. To specify a keyword argument
Answer 😀
Explanation: D. The ** operator in Python function definitions is used to specify a keyword argument.
30.What is the purpose of the default argument value in a Python function definition?
A. To specify a required argument
B. To specify a keyword argument
C. To specify a default value for an optional argument
D. To specify a default value for a required argument
Answer :C
Explanation: C. The purpose of the default argument value in a Python function definition is to specify a default value for an optional argument. If the argument is not specified by the caller, it will use the default value.
31.What is the purpose of the * symbol when used in a function call in Python?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To specify a required argument
D. To specify a keyword argument
Answer :A
Explanation: A. The * symbol when used in a function call in Python is used to unpack a list or tuple into separate arguments.
32.What is the purpose of the ** symbol when used in a function call in Python?
A. To unpack a list or tuple into separate arguments
B. To pack a list or tuple into a single argument
C. To specify a required argument
D. To specify a keyword argument
Answer :B
Explanation: B. The ** symbol when used in a function call in Python is used to pack a list or tuple into a single argument.
33.Which of the following is not a valid way to pass arguments to a Python function?
A. By position
B. By keyword
C. By reference
D. As a default value
Answer :C
Explanation: C. Passing arguments to a Python function by reference is not a valid option. Arguments are passed by value in Python, which means that the function receives a copy of the argument, not the original object.
34.What is the purpose of the *args and **kwargs syntax in a Python function call?
A. To specify required arguments
B. To specify keyword arguments
C. To specify an arbitrary number of positional and keyword arguments
D. To specify a default value for an optional argument
Answer :C
Explanation: C. The *args and **kwargs syntax in a Python function call is used to specify an arbitrary number of positional and keyword arguments.
Arguments of Python
35.What is the difference between *args and **kwargs in Python?
A. *args is used for positional arguments and **kwargs is used for keyword arguments.
B. *args is used for keyword arguments and **kwargs is used for positional arguments.
C. *args is used for an arbitrary number of positional arguments and **kwargs is used for an arbitrary number of keyword arguments.
D. There is no difference between *args and **kwargs in Python.
Answer :C
Explanation: C. The difference between *args and **kwargs in Python is that *args is used for an arbitrary number of positional arguments, while **kwargs is used for an arbitrary number of keyword arguments.
36.Which of the following is not a valid way to specify a default value for an argument in a Python function definition?
A. default=None
B. default=[]
C. default={}
D. default=()
Answer 😀
Explanation: D. Using default=() is a valid way to specify a default value for a function argument in Python.
37.What is the purpose of the *args syntax in a Python function definition?
A. To specify required arguments
B. To specify keyword arguments
C. To specify an arbitrary number of positional arguments
D. To specify a default value for an optional argument
Answer :C
Explanation: C. The *args syntax in a Python function definition is used to specify an arbitrary number of positional arguments.
38.What is the purpose of the **kwargs syntax in a Python function definition?
A. To specify required arguments
B. To specify keyword arguments
C. To specify an arbitrary number of positional arguments
D. To specify a default value for an optional argument
Answer :B
Explanation: B. The **kwargs syntax in a Python function definition is used to specify keyword arguments.
39.Which of the following is true about Python function argument order?
A. Required positional arguments must come before optional positional arguments.
B. Optional positional arguments must come before required positional arguments.
C. Keyword arguments must come before positional arguments.
D. Positional arguments must come before keyword arguments.
Answer :A
Explanation: A. In Python, required positional arguments must come before optional positional arguments in a function definition.