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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 get_3_tuple_list(self,obj,default=None):
 """Return list of 3-tuples from sequence of a sequence, sequence - it is mapped to sequence of 3-sequences if possible number """

        if is_sequence2(obj):
            return [self.get_3_tuple(o,default) for o in obj]
        elif is_sequence(obj):
            return [self.get_3_tuple(obj[i:i+3],default) for i in range(0,len(obj),3)]
        else:
            return [self.get_3_tuple(obj,default)]