input: def search_list(list, search_query):
      """
      Returns the indices of all elements in the given list that match the search query.
  
      >>> search_list(["apple", "banana", "peach", "orange", "grape"], "apple")
      [0]
      >>> search_list(["apple", "banana", "peach", "orange", "grape"], "orange")
      [3]
      >>> search_list(["apple", "banana", "peach", "orange", "grape"], "mango")
      []
      """
output:     indices = []
      for i, item in enumerate(list):
          if item == search_query:
              indices.append(i)
      return indices