input: Write a function to generate a sequence of odd numbers from 1 to 11 using a for loop.
  assert generate_odd_numbers() == [1, 3, 5, 7, 9, 11]
  assert generate_odd_numbers()[0] == 1
  assert generate_odd_numbers()[-1] == 11
output: def generate_odd_numbers():
      odd_numbers = []
      for i in range(1, 12, 2):
          odd_numbers.append(i)
      return odd_numbers