code: def adjacent_values(vals, q1, q3):
      upper_adjacent_value = q3 + (q3 - q1) * 1.5
      upper_adjacent_value = np.clip(upper_adjacent_value, q3, vals[-1])
  
      lower_adjacent_value = q1 - (q3 - q1) * 1.5
      lower_adjacent_value = np.clip(lower_adjacent_value, vals[0], q1)
      return lower_adjacent_value, upper_adjacent_value
  
imports: import matplotlib.pyplot
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: adjacent_values(vals, q1, q3) and returns: lower_adjacent_value,  upper_adjacent_value