A stack, named ClrStack, contains records of some colors. Each
record is represented as a tuple containing four elements -
ColorName, RED, GREEN, BLUE. For example, ('Yellow', 237, 250, 68).
Write the following user-defined functions in Python to
perform the specified operations on ClrStack:
(i) push_Clr(ClrStack, new_Clr): This function takes the stack
ClrStack and a new record new_Clr as arguments and pushes this new
record onto the stack.
(ii) pop_Clr(ClrStack): This function pops the topmost record from the
stack and returns it. If the stack is already empty, the function
should display the message "Underflow".
(iii) isEmpty(ClrStack): This function checks whether the stack is
empty. If the stack is empty, the function should return True,
otherwise the function should return False
(iv) display(ClrStack): This function to display all the elements of
the stack by popping it. In the end it should display "Stack Empty"