What will be the output of the following Python code?

def a():
    try:
        f(x, 4)
    finally:
        print('after f')
    print('after f?')
a()

What is the purpose of exception handling in Python?

A. To handle runtime errors and prevent the program from crashing

B. To print error messages

C. To ignore errors

D. To enhance program speed

When is the finally block executed?

A. when there is no exception

B. when there is an exception

C. only if some condition that has been specified is satisfied

D. always

What is an exception in Python?

A. An error that occurs during the execution of a program

B. A built-in function

C. A keyword

D. A specific data type

How many except statements can a try-except block have?

A. zero

B. one

C. more than one

D. more than zero