Created
April 28, 2013 00:14
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def new(): | |
return [] | |
def apilar(pila,elem): | |
pila.append(elem) | |
def desapilar(pila): | |
return(pila.pop()) | |
def invertir(pila): | |
return (pila.reverse()) | |
def tope(pila): | |
return pila[len(pila)-1] | |
def esvacia(pila): | |
if len(pila)==0: | |
return 'true' | |
else: | |
return 'false' |
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