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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 reduce_log_sum(attrs, inputs, proto_obj):
 """Reduce the array along a given axis by log sum value"""

    keep_dims = True if 'keepdims' not in attrs else attrs.get('keepdims')
    sum_op = symbol.sum(inputs[0], axis=attrs.get('axes'),
                        keepdims=keep_dims)
    log_sym = symbol.log(sum_op)
    return log_sym, attrs, inputs