Code :
class Stack:
def __init__(self):
self.item = []
def isEmpty(self):
return self.item == []
def push(self,item):
self.item.append(item)
def pop(self):
return self.item.pop()
def size(self):
return len(self.item)
def setup():
a = Stack()
print a.isEmpty()
a.push(1)
a.push(2)
print a.pop()
print 'size is',a.size()
a.push(7)
a.push(8)
a.push(10)
a.pop()
while(a.isEmpty() != True):
print a.pop()
setup()
..................................................................................................................
result :
xxxxxx:~/ดาวน์โหลด/Work$ python stack.py
True
2
size is 1
8
7
1
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