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19 lines
218 B
Python
19 lines
218 B
Python
def creer_pile_vide():
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return ()
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def est_pile_vide(pile):
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return pile == ()
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def sommet(pile):
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return pile[-1]
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def empiler(pile, elt):
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return pile + [elt]
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def depiler(pile):
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return pile[:-1]
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