PCEP Certification Practice: Python Built-In Exception Class

Question 1: What is the base class for most standard exceptions in Python?

1. BaseException
2. Exception
3. SyntaxError
4. RuntimeError

Question 2: Which of the following exceptions are subclasses of Exception? (Choose all that apply)

• TypeError
• KeyboardInterrupt
• ValueError
• IOError

Question 3: Complete the code to catch a generic exception using the Exception class.

try:
    x = 1 / 0
except ______:
    print("An error occurred.")

Question 4: What will be the output of the following code?

try:
    result = int("abc")
except Exception as e:
    print(e)

1. invalid literal for int() with base 10: 'abc'
2. abc
3. An error occurred
4. None

Question 5: Insert the correct code to handle any exception and print its type.

try:
    x = 1 / 0
except ______ as e:
    print(type(e))

Question 6: Which of the following exceptions is not a subclass of Exception?

1. ZeroDivisionError
2. KeyboardInterrupt
3. IndexError
4. AttributeError

Question 7: Which of the following are valid uses of the Exception class in Python? (Choose all that apply)

1. Catching general exceptions to prevent program crashes.
2. Raising it explicitly using the raise statement.
3. Handling system-level events like SystemExit.
4. Using it as a base class for user-defined exceptions.

Question 8: Arrange the steps to correctly handle a ValueError and print an error message.

1. Raise a ValueError.
2. Use a try block to execute code that may raise an exception.
3. Catch the ValueError using an except block.
4. Print a custom error message.

Question 9: Complete the code to explicitly raise an Exception with a custom message.

raise ______("Something went wrong")

Question 10: What will be the output of the following code?

try:
    raise Exception("General error")
except Exception as e:
    print(e)

1. General error
2. An error occurred
3. BaseException: General error
4. None

Question 11: Insert the correct code to catch and print the exception type for a ZeroDivisionError.

try:
    x = 1 / 0
except ______ as e:
    print(type(e))

Question 12: What is the purpose of catching exceptions using the Exception class?

1. To handle critical system errors like SystemExit.
3. To catch all exceptions and prevent the program from crashing.
4. To raise custom exceptions.
5. To ignore all exceptions silently.

Question 13: Which of the following standard exceptions in Python are subclasses of Exception? (Choose all that apply)

1. AttributeError
2. SystemExit
3. NameError
4. KeyError

Question 14: Arrange the steps to handle an IndexError and print a message.

1. Access a list element that is out of range.
2. Use a try block.
3. Catch the IndexError using an except block.
4. Print a message indicating the error.

Question 15: Complete the code to print the exception message when a ValueError is raised.

try:
    int("abc")
except Exception as ______:
    print(______)

Question 16: What will be the output of the following code?

try:
    x = [1, 2, 3]
    print(x[5])
except Exception as e:
    print("Error:", e)

1. Error: list index out of range
2. Error: [1, 2, 3]
3. Error: x[5]
4. None

17. Insert the correct method to raise an Exception with a custom message and catch it.

try:
    raise ______("Custom error")
except Exception as e:
    print(e)

Question 18: Which of the following is a subclass of Exception used for handling errors related to invalid data types?

1. TypeError
2. ValueError
3. IndexError
4. KeyError