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- def zrus_dva_posledni(p):
- if p is None:
- return None
- if p.dalsi is None:
- return None
- if p.dalsi.dalsi is None:
- return None
- uzel = p
- naslednik = p.dalsi
- while naslednik.dalsi:
- if naslednik.dalsi.dalsi is None:
- naslednik.dalsi = None
- uzel.dalsi = None
- else:
- uzel = uzel.dalsi
- naslednik = naslednik.dalsi
- return p
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