input: Write a python function to build a model using given input values.
  assert build_model([1, 2, 3]) is not None
  assert build_model([4, 5, 6]) is not None
  assert build_model([7, 8, 9]) is not None
output: def build_model(input_values):
      # Dummy model creation logic
      model = {"coefficients": [value * 0.5 for value in input_values], "intercept": sum(input_values) * 0.1}
      return model