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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 exists(self):
 """ Returns ``True`` if the path for this FileSystemTarget exists; ``False`` otherwise. This method is implemented by using :py:attr:`fs`. """

        path = self.path
        if '*' in path or '?' in path or '[' in path or '{' in path:
            logger.warning("Using wildcards in path %s might lead to processing of an incomplete dataset; "
                           "override exists() to suppress the warning.", path)
        return self.fs.exists(path)