input: 
  def filter_odd_numbers(numbers):
      filtered_list = []
      for num in numbers:
          if num % 2 != 0:
              filtered_list.append(num)
      return filtered_list
  
  # Example
  list1 = [1, 2, 3, 4, 5, 6]
  filtered_list = filter_odd_numbers(list1)
  print(filtered_list)  # [1, 3, 5]
  
output:     filtered_list = []
      for num in numbers:
          if num % 2 != 0:
              filtered_list.append(num)
      return filtered_list