input: Write a function to create a Python generator that returns numbers from a given list. The generator should yield each item in the list sequentially.
  
  \[
  \text{Example input:} \quad [1, 3, 5, 7, 9]
  \]
  
  \[
  \text{Example output:}
  \]
  
  
  def list_generator(input_list):
      for item in input_list:
          yield item
  
  assert list(list_generator([1, 3, 5, 7, 9])) == [1, 3, 5, 7, 9]
  assert list(list_generator([2, 4, 6, 8])) == [2, 4, 6, 8]
  assert list(list_generator([])) == []
  
output: def list_generator(input_list):
      for item in input_list:
          yield item