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- class nodos:
- def __init__(self, data=None):
- self.data = data
- self._p = None
- def __str__(self):
- d=self.data+","+str(self._p)
- return d
- """
- def getdata(self):
- return self.data
- def getvacio(): #<--- metodo "vacio retorna verdadero si el primer elemento es nada"
- if self.data == None:
- return True
- """
- def agg (p):
- if (p.data == None):
- p.data=(int(input("ingrese dato: ")))
- p._p=None
- else:
- y=nodos()
- y.data=(int(input("ingrese dat2o: ")))
- p._p = y
- return p
- return(p)
- def imprimir(p):
- print(p.data)
- print("hola")
- x=p
- while x._p!=None:
- print (x.data)
- x=x._p
- p=nodos()
- for a in range(2):
- p=agg(p)
- imprimir(p)
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