Write a function in python that can reverse a string using stack data structure.py

'''
Write a function in python that can reverse a string using stack data structure.

reverse_string("We will conquere COVID-19") should return "91-DIVOC ereuqnoc lliw eW"

'''

from collections import deque

class Stack:
def init(self):
self.container = deque()

def push(self, val):
    self.container.append(val)

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

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

def is_empty(self):
    return len(self.container) == 0

def size(self):
    return len(self.container)

def reverse_string(s):
stack = Stack()

for ch in s:
    stack.push(ch)

rstr = ''
while stack.size()!=0:
    rstr += stack.pop()

return rstr

if name == 'main':
print(reverse_string("We will conquere COVI-19"))
print(reverse_string("I am the king"))