def odd_numbers(n):
    """Return a list of the first n odd numbers

    eg odd_numbers(5) should return:
    [1, 3, 5, 7, 9]
    """
    odd_numbers = []
    for i in range((n)*2):
        if i % 2 == 1:
            odd_numbers.append(i)
        else:
            pass
    return odd_numbers