Aastha wnats to create a program that accepts a string and display the characters in the reverse in the same line using a Stack. She has created the following code, help her by completing the definitions on the basis of requirements given below:[CBSE SQP 2016] Class mystack : def inin (self): selfe, mystr= # Accept a string self.mylist= # Convert mystr to a list # Write code to display while removing element from the stack. def display (self)