Python Quiz for Functions

Functions in Python enable programmers to group related statements together, making the code more readable, reusable, and efficient. Whether you’re a beginner trying to grasp the basics of function syntax or an experienced coder aiming to test your understanding, this Python quiz for functions is designed to challenge and educate you. From simple function declarations to intricate details about parameters and return values, get ready to put your Python knowledge to the test!

Python Functions – 05

Level: Intermediate

1 / 10

1. What is a lambda function?

a) A lambda function is a single-line function that is defined and called at the same time.

b) None of the above.

c) A lambda function is a function that is defined inside of a regular function.

d) A lambda function is a function that is defined outside of a regular function.

2 / 10

2. What is the output of the following code:

def update_with_defaults(d, defaults):
  for key, value in defaults.items():
    d.setdefault(key, value)
  return d

# Example usage
print(update_with_defaults({"a": 1, "b": 2}, {"b": 3, "c": 4}))

a) None

b) {'a': 1, 'b': 2, 'c': 4}

c) {'a': 1, 'b': 3, 'c': 4}

d) {'a': 2, 'b': 3, 'c': 4}

3 / 10

3. What is the output of the following code:

def get_max_value(d):
  return max(d.values())

print(get_max_value({"a": 1, "b": 2, "c": 3}))

a) 4

b) 2

c) 3

d) 1

4 / 10

4. What is a function with variable length arguments?

a) A function with variable length arguments is a function that can accept any number of arguments.

b) A function with variable length arguments is a function that can accept a limited number of arguments.

c) None of the above.

d) A function with variable length arguments is a function that can accept a specific number of arguments.

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5. What is a nested function?

a) A nested function is a function that is called from inside of another function.

b) A nested function is a function that returns another function.

c) All of the above.

d) A nested function is a function that is defined inside of another function.

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6. What is the output of the following code:

def count_length_of_values(d):
  return {k: len(v) for k, v in d.items()}

print(count_length_of_values({"a": "apple", "b": "banana"})['b'])

a) 6

b) 5

c) 'b'

d) 'a'

7 / 10

7. What is the output of the following code:

def check_keys_exist(d, keys):
  return all(key in d for key in keys)

print(check_keys_exist({"a": 1, "b": 2, "c": 3}, ["a", "b"]))

a) False

b) None

c) Error

d) True

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8. What is the difference between a positional argument and a keyword argument?

a) A positional argument is a function argument that is passed to a function by value. A keyword argument is a function argument that is passed to function by reference.

b) A positional argument is a function argument that is passed to a function in a specific order. A keyword argument is a function argument that is passed to a function by name.

c) A positional argument is a function argument that is required by a function. A keyword argument is a function argument that is optional.

d) None of the above.

9 / 10

9. What is the output of the following code:

def dict_to_tuples(d):
  return list(d.items())

print(dict_to_tuples({"a": 1, "b": 2, "c": 3})[1])

a) ('a', 1)

b) ('c', 3)

c) ('b', 2)

d) (1, 2,3)

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10. What are the benefits of using functions?

a) Functions make code more reusable and maintainable.

b) All of the above.

c) Functions can help to reduce the amount of code that needs to be written.

d) Functions make code easier to read and understand.

Your score is

Python Quiz for Functions

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