text: # A list of the ingredients for tuna sushi
  recipe = ["nori", "tuna", "soy sauce", "sushi rice"]
  target_ingredient = "avocado"
  
  
  def linear_search(search_list, target_value):
      for idx in range(len(search_list)):
          if search_list[idx] == target_value:
              return idx
      raise ValueError("{0} not in list".format(target_value))
  
  
  print(linear_search(recipe, target_ingredient))
  