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  1. # Pila
  2. class Pila:
  3. 	def __init__(self):
  4. 		self.v = []
  5.  
  6. 	def push(self, x):
  7. 		self.v.append(x)
  8.  
  9. 	def top(self):
  10. 		return self.v[-1]
  11.  
  12. 	def pop(self):
  13. 		self.v.pop()
  14.  
  15. 	def __nonzero__(self):
  16. 		return len(self) > 0
  17.  
  18. 	def __len__(self):
  19. 		return len(self.v)
  20.  
  21. 	def __str__(self):
  22. 		return str(self.v)
  23.  
  24. p = Pila()
  25. p.push(1)
  26. p.push(2)
  27. p.push(3)
  28. while p:
  29. 	print(p.top())
  30. 	p.pop()
  31.  
Success #stdin #stdout 0.02s 8736KB
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https://ideone.com/VgKJv2
Python: Pila
language:
Python 3 (python  3.9.5)
created:
9 years ago
visibility:
public

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