is python list a stack code example
Example: stack using array python
class ArrayStack:
def __init__(self):
self._data = []
def __len(self):
return len(self._data)
def is_empty(self):
return len(self._data) == 0
def push(self, e):
self._data.append(e)
def pop(self):
if self.is_empty():
raise Empty('stack is empty')
else:
return self._data.pop()
def top(self):
if self.is_empty():
raise Empty('Stack is empty')
else:
return self._data[-1]
@property
def data(self):
return self._data
class Empty(Exception):
pass