#1
Which of the following is true about function invocation in Python?
Functions are invoked using their name followed by parentheses
ExplanationFunction invocation in Python involves using the function's name followed by parentheses.
#2
What happens if a function in Python is called with too many arguments?
An error is raised
ExplanationCalling a Python function with too many arguments results in an error being raised.
#3
What is the purpose of the return statement in Python functions?
To return a value from the function
ExplanationThe return statement in Python functions is used to return a value from the function.
#4
In Python, how are named parameters specified in a function call?
By specifying their names followed by an equal sign and the value
ExplanationNamed parameters in Python function calls are specified by their names followed by an equal sign and the corresponding value.
#5
What is the purpose of the * operator in Python function calls?
To unpack a tuple or list into separate arguments
ExplanationThe * operator in Python function calls is used to unpack a tuple or list into separate arguments.
#6
Which of the following is true about default parameter values in Python functions?
Default parameter values are evaluated at the time of function definition
ExplanationDefault parameter values in Python functions are evaluated at the time of function definition.
#7
In Python, how are default parameter values specified in a function definition?
By assigning values directly in the parameter list
ExplanationDefault parameter values in Python functions are specified by assigning values directly in the parameter list.
#8
What is the purpose of the *args parameter in Python function definitions?
To accept a variable number of positional arguments
ExplanationThe *args parameter in Python function definitions allows the function to accept a variable number of positional arguments.
#9
What is the purpose of the global keyword in Python?
To access a global variable inside a function
ExplanationThe global keyword in Python is used to access a global variable from within a function.
#10
What does the locals() function return in Python?
A dictionary containing all local variables
ExplanationThe locals() function in Python returns a dictionary containing all local variables.
#11
What is the purpose of the nonlocal keyword in Python?
To access a variable in the global scope from within a nested function
ExplanationThe nonlocal keyword in Python is used to access a variable in the global scope from within a nested function.
#12
In Python, what is the purpose of the ** operator when used in a function call?
To unpack a dictionary into keyword arguments
ExplanationThe ** operator in Python function calls is used to unpack a dictionary into keyword arguments.
#13
What does the **kwargs parameter allow you to do in Python function definitions?
Accept a variable number of keyword arguments
ExplanationThe **kwargs parameter in Python function definitions allows the function to accept a variable number of keyword arguments.
#14
What is a lambda function in Python?
A function defined using the 'lambda' keyword
ExplanationA lambda function in Python is a function defined using the 'lambda' keyword.
#15
What is the purpose of the yield keyword in Python?
To return a value from a generator function
ExplanationThe yield keyword in Python is used to return a value from a generator function.
#16
What is a decorator in Python?
A function that modifies the behavior of another function
ExplanationA decorator in Python is a function that modifies the behavior of another function.
#17
What is a generator in Python?
A function that generates a sequence of values lazily
ExplanationA generator in Python is a function that generates a sequence of values lazily.