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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def GetObject(self, identifier):
 """Retrieves a cached object based on the identifier. This method ignores the cache value reference count. Args: identifier (str):
 VFS object identifier. Returns: object: cached VFS object or None if not cached. """

    cache_value = self._values.get(identifier, None)
    if not cache_value:
      return None

    return cache_value.vfs_object