Hiddenlist

Question

class Queue:
def __init__(self, contents):
self._hiddenlist = list(contents)

def push(self, value):
self._hiddenlist.insert(0, value)

def pop(self):
return self._hiddenlist.pop(-1)

def __repr__(self):
return "Queue({})".format(self._hiddenlist)

queue = Queue([1, 2, 3])
print(queue)
queue.push(0)
print(queue)
queue.pop()
print(queue)
print(queue._hiddenlist)-how do I define this please?

Answer 1

Could you be more specific?
if you want tout declare a "private" attribute, use self.__hiddenlist .
Athough it remains accessible with queue._Queue__hiddenlist still.