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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 operator(self):
 """Supported Filter Operators + EQ - Equal To + NE - Not Equal To + GT - Greater Than + GE - Greater Than or Equal To + LT - Less Than + LE - Less Than or Equal To + SW - Starts With + IN - In String or Array + NI - Not in String or Array """


        return {
            'EQ': operator.eq,
            'NE': operator.ne,
            'GT': operator.gt,
            'GE': operator.ge,
            'LT': operator.lt,
            'LE': operator.le,
            'SW': self._starts_with,
            'IN': self._in,
            'NI': self._ni,  # not in
        }