Graded Questions

Question 1

Which of the following is a valid way to handle exceptions in python?

Catching exceptions with catch blocks.

Using a try block without an except block.

Using assert statements to handle exceptions.

Using a try block with an except block.

Question 2

Which of the following is not a valid way to handle exceptions in python?

Using a try-except block.

Using a try-finally block.

Using a try-else block.

Using a try-catch block.

Question 3

Which of the following is a built-in exception in python for handling division by zero?

ZeroDivisionError.

DivideByZeroException.

DivisionError

MathError

Question 4

Which of the following is not a valid exception handling construct in python?

try-except

try-else

try-finally

try-catch

Question 5

In python, which statement is used to specify the code that should be executed if no exceptions are raised?

try

except

else

finally

Question 6

What is the purpose of the 'with' statement in python file handling?

It opens a file for reading or writing.

It handles exceptions.

It defines new exceptions.

It ensures proper resource cleanup.

Question 7

What is the purpose of the 'assert' statement in python?

To raise an exception.

To provide debugging information.

To handle exceptions.

To define new exceptions.

Question 8

Which keyword is used to re-raise an exception in python?

throw

continue

pass

raise

Question 9

Which of the following is a proper way to close a file after reading its contents using a 'with' statement?

Use the close() method on the file object.

The file is automatically closed; no need to close it explicitly.

Use the end() method on the file object.

Use the exit() function.

Question 10

Which of the following is NOT a standard python exception?

ValueError

RuntimeWarning

SyntaxError

IndexException

Question 11

What will be the output of the following code?

try:
x = 10 / 0
except ZeroDivisionError:
print("Division by zero", end=", ")
finally:
print("Finally block")

Division by zero

Finally block

Division by zero, Finally block

Finally block, Division by zero

Question 12

Which of the following is a common use case for the 'assert' statement in python?

Validating user input.

Handling file I/O errors.

Raising custom exceptions.

Handling division by zero.

Question 13

Which of the following is a common exception handling best practice?

Using broad, generic except blocks.

Catching and ignoring all exceptions.

Providing informative error messages.

Avoiding the use of try blocks.

Question 14

What does the assert statement do when it raises an exception?

Exits the program.

Prints a message and continues execution.

Terminates the program.

Halts execution and raises an exception.

Question 15

What does the 'else' block in a try-except do?

It handles exceptions.

It defines new exceptions.

It executes code only if no exceptions are raised.

It executes code only if an exception is raised.

Question 16

Which of the following is true about the 'assert' statement in python?

It is used for handling exceptions.

It is executed when a condition is false and raises an exception.

It is equivalent to the raise statement.

It is used to define new exceptions.

Question 17

What is the order of exception handling in a try-except block with multiple except blocks?

First exception to match is handled.

Last exception to match is handled.

Exceptions are handled randomly.

Exceptions are not handled.

Question 18

What is the purpose of the assert statement in python?

To raise an exception.

To check if a variable is defined.

To provide a custom message.

To check if a condition is true, and raise an exception if it's not.

Question 19

What does the 'finally' block in python guarantee?

It guarantees that no exceptions will occur.

It guarantees that code will be executed whether an exception is raised or not.

It guarantees that an exception will always be raised.

It guarantees that the program will terminate.

Question 20

What is the purpose of the 'sys.exc_info()' function in python?

To provide information about system errors.

To retrieve the current date and time.

To get information about the current exception.

To display information about the current process.

Question 21

What is the purpose of the 'try' block in exception handling?

To define new exceptions.

To execute code that may raise an exception.

To catch exceptions.

To specify the type of exception to raise.

Question 22

Which keyword can be used to catch multiple exceptions in a single except block?

and

not

Question 23

What is the purpose of the 'pass' statement in exception handling?

To re-raise an exception.

To ignore exceptions.

To specify the type of exception to catch.

To define new exceptions.

Question 24

Which of the following is a correct way to open a file in python that ensures proper cleanup?

file.open()

open_file()

with open(filename) as f:

f = open(filename)

Question 25

How can you create a custom exception class in python?

By using the raise keyword.

By inheriting from the built-in Exception class.

By using the assert statement.

By using the try statement.

Question 26

What does the 'sys.exc_info()' function return in python?

The current line number.

A tuple containing information about the current exception.

The current function name.

The list of all imported modules.

Question 27

How can you handle multiple exceptions in a single 'except' block?

Use multiple except blocks.

Use a single except block with multiple exception types.

Use the assert statement.

Use the finally block.

Question 28

Which of the following statements is true regarding custom exceptions in python?

Custom exceptions should always inherit from the built-in Exception class.

Custom exceptions should never inherit from any other class.

Custom exceptions should always inherit from the object class.

Custom exceptions should never be used in python.

Question 29

Which keyword is used to specify a block of code that should be executed regardless of whether an exception is raised or not?

try

except

else

finally

Question 30

Which exception is raised when you try to access a key that does not exist in a dictionary?

KeyError

ValueNotFoundException

IndexError

KeyErrorException

Question 31

What is the output of the following code?

try:
x = 10 / 0
except ZeroDivisionError as e:
print(e)

division by zero

ZeroDivisionError

Error: invalid syntax

Question 32

What will happen if no exception is raised in the try block of a try-except block?

The program will terminate.

The code inside the except block will be executed.

The code inside the else block will be executed.

The code inside the finally block will be executed.

Question 33

In a try-except block, what happens if an exception is raised inside the try block?

The program crashes

The code inside the except block is executed.

The code inside the else block is executed.

The code inside the finally block is executed.

Question 34

Which exception is raised when you try to access an element of a list using an index that is out of range?

IndexError

OutOfRangeException.

ListError

ArrayIndexError.

Question 35

Which exception is raised when you try to open a file that does not exist in python?

FileNotFoundError

FileNotFound

FileError

IOError

Question 36

Which keyword is used to raise an exception in python?

raise_exception

raiseError

raise

throwError

Question 37

What is the purpose of the 'assert' statement in python?

To define new exceptions.

To execute code if a condition is true.

To raise an exception if a condition is false.

To handle exceptions.

Question 38

What will happen if an exception is raised inside a 'finally' block?

The program will terminate.

The exception is ignored.

The exception is propagated to the outer try-except block.

The exception is handled by the finally block.

Question 39

What is the purpose of the 'else' block in exception handling?

To handle exceptions.

To execute code after the try block, if no exception occurred.

To execute code after the finally block.

To define new exceptions.

Question 40

What is an exception in python?

A syntax error

A runtime error

A logical error

A warning

Question 41

What is the purpose of the 'finally' block in exception handling?

To catch exceptions.

To handle exceptions.

To execute code whether an exception is raised or not.

To skip the try block and move to the except block.

Question 42

What is the output of the following code?

try:
    x = int("hello")
 except ValueError: 
    print("Invalid conversion")

Invalid conversion

hello

Error: invalid syntax

Question 43

What will be the output of the following code?

try:
x = 10 / 0
except ZeroDivisionError:
print("Division by zero")
except ArithmeticError:
print("Arithmetic error")

Division by zero

Arithmetic error

No output

Error: invalid syntax

Question 44

Which exception is raised when you try to access a variable that is not defined?

NameError

UndefinedVariableError

AttributeError

KeyError

Question 45

What is the purpose of the 'except' block in python?

To define new exceptions.

To execute code after the try block.

To handle exceptions.

To provide debugging information.

Question 46

What is the primary role of the 'else' block in python exception handling?

To handle exceptions.

To specify the type of exception to catch.

To execute code only if no exceptions are raised.

To execute code after the finally block.

Question 47

Which of the following is true about the 'finally' block in python exception handling?

It is optional.

It is required for every try block.

It is used to specify the type of exception to catch.

It is executed whether an exception is raised or not.

Question 48

What is the purpose of the 'try' block in python exception handling?

To raise an exception.

To handle exceptions.

To define new exceptions.

To execute code that may raise an exception.

Question 49

Which of the following is a common use case for the finally block in exception handling?

Handling exceptions.

Cleanup operations.

Defining new exceptions.

Catching multiple exceptions.

Question 50

Which keyword is used to raise an exception in python?

raise

except

try

catch

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