def add_segment_final_space(segments):
    """
    >>> segments = ['Hi there!', 'Here... ', 'My name is Peter. ']
    >>> add_segment_final_space(segments)
    ['Hi there! ', 'Here... ', 'My name is Peter.']
    """
    r = []
    for segment in segments[:-1]:
        r.append(segment.rstrip()+' ')
    r.append(segments[-1].rstrip())
    return r