human
Give me a the Python program you requested given the following:
Complete the below
def _privileged(original):

    ''''Wrap a L{MemoryIOSystem} method with permission-checking logic.  The
    returned function will check C{self.permissions} and raise L{IOError} with
    L{errno.EPERM} if the function name is not listed as an available
    permission.
    @param original: The L{MemoryIOSystem} instance to wrap.
    @return: A wrapper around C{original} that applies permission checks.'
    '''
assistant
#Here is the Python program you requested.
    @wraps(original)
    def permissionChecker(self, *args, **kwargs):
        if (original.__name__ not in self.permissions):
            raise IOError(EPERM, 'Operation    not    permitted')
        return original(self, *args, **kwargs)
    return permissionChecker