String Reverse and Swap case.

Code_practice.py

"""
Stack Data Structure
"""



class Stack:
    def __init__(self):
        self.number=[]

    def push(self,number):
      self.number.append(number)

    def pop(self):
        return self.number.pop()

    def peek(self):
        return self.number[-1]

    def reverse_print(stack, input_string):
       for i in range(len(input_string)):
          s.push(input_string[i])
          
       prnt_rev = ""
       while not s.is_empty():
          prnt_rev += s.pop()
       return prnt_rev

stack = Stack()
input_string = "HELLOWORLd"
print(reverse_print(stack, input_string.swapcase()))