Consider the code given below:

b = 100
def test(a):
............... #missing statement
    b = b + a
    print(a, b)
test(10)
print(b)

Which of the following statements should be given in the blank for #Missing Statement, if the output produced is 110?

1. global a
2. global b = 100
3. global b
4. global a = 100

State whether the following statement is True or False:

An exception may be raised even if the program is syntactically correct.

Fill in the blank:

In case of …………… switching, before a communication starts, a dedicated path is identified between the sender and the receiver.

Which of the following functions changes the position of file pointer and returns its new position?

1. flush()
2. tell()
3. seek()
4. offset()