Python Functions MCQ Questions and Answers

Q. What is a function in Python used for?

A. To structure and organize code
B. To enable code reuse
C. To execute code multiple times
D. All of the above
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Q. How do you define a function in Python?

A. Using the `function` keyword
B. Using the `def` keyword
C. Using the `create_function` method
D. None of the above
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Q. What is the difference between a function and a method in Python?

A. A function is a standalone block of code, while a method is associated with an object
B. A function can have any name, while a method must start with `self`
C. A function can have multiple parameters, while a method can only have one
D. There is no difference
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Q. What are parameters in a function?

A. Variables used to pass data into a function
B. Variables used to store return values
C. Variables used to control flow
D. None of the above
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Q. What is a return value in a function?

A. The value produced by a function
B. The value passed into a function
C. The value stored in a variable within a function
D. None of the above
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Q. What happens if a function does not have a return statement?

A. It returns None
B. It returns an error
C. It returns the last executed statement
D. It continues executing indefinitely
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Q. What is a local variable in a function?

A. A variable defined and used within a function
B. A variable defined outside and used within a function
C. A variable defined within a function and accessible globally
D. None of the above
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Q. What is a global variable in a function?

A. A variable defined in a function and accessible globally
B. A variable defined outside a function and accessible within
C. A variable defined in a function and accessible to other functions
D. None of the above
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Q. How can you access a global variable from within a function?

A. Using the `global` keyword
B. Passing it as an argument
C. Defining it inside the function
D. None of the above
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Q. What is function recursion?

A. When a function calls itself
B. When a function calls another function
C. When a function returns a value
D. None of the above
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Q. What does the `*args` syntax in function definitions allow for?

A. Passing a variable number of arguments
B. Specifying default argument values
C. Unpacking arguments from a list
D. All of the above
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Q. How can you pass a list of values as arguments to a function?

A. Using the `*args` syntax
B. Using the `**` syntax
C. Passing the list as a single argument
D. None of the above
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Q. How can you pass keyword arguments to a function?

A. Using the `**` syntax
B. Using the `*args` syntax
C. Passing a dictionary as an argument
D. None of the above
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Q. What is a lambda function?

A. A small, anonymous function defined with `lambda`
B. A function returning a lambda expression
C. A function taking a lambda expression as an argument
D. None of the above
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Q. How can you create a function that takes a variable number of arguments?

A. Using the `*args` syntax
B. Using the `**` syntax
C. Defining with a list of arguments
D. None of the above
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