• A stack is initially empty. Show the contents of this stack on execution of each of the following operations: push('Jan'), push('Feb'), pop(), push('Mar'), pop(), pop(). What will happen if another...

• A stack is initially empty. Show the contents of this stack on execution of each of the
following operations: push('Jan'), push('Feb'), pop(),
push('Mar'), pop(), pop().
What will happen if another pop() operation is invoked after the execution of the above sequence of operations?

(Question of Python)