>>> import shutil
>>> lines = ['String right here', 'And here', 'Here', 'A-a-a-and here']
>>> width = shutil.get_terminal_size().columns
>>> position = (width - max(map(len, lines))) // 2
>>> for line in lines: # left justtified
...     print(' '*position + line)
...
                               String right here
                               And here
                               Here
                               A-a-a-and here
>>> for line in lines: # right justified
...     print(line.rjust(width // 2))
...
                       String right here
                                And here
                                    Here
                          A-a-a-and here
>>> for line in lines: # center
...     print(line.center(width))
...
                               String right here
                                    And here
                                      Here
                                 A-a-a-and here

#!/usr/bin/env python
from blessings import Terminal  # $ pip install blessings

lines = ['String right here', 'And here', 'Here', 'A-a-a-and here']
term = Terminal()
with term.hidden_cursor(), term.fullscreen():
    for i, line in enumerate(lines):
        x = (term.width - max(map(len, lines))) // 2
        y = (term.height - len(lines)) // 2 + i
        with term.location(x, y):
            print(term.bold_white_on_black(line))

    with term.location(0, term.height - 1):
        input('press <Enter> to exit..')

colorama

#!/usr/bin/env python
from asciimatics.effects import Print  # $ pip install asciimatics
from asciimatics.renderers import FigletText, SpeechBubble, Rainbow
from asciimatics.scene import Scene
from asciimatics.screen import Screen
from asciimatics.exceptions import ResizeScreenError


def demo(screen):
    lines = ['String right here', 'And here', 'Here', 'A-a-a-and here']
    renderers = [Rainbow(screen, FigletText(line, font='small'))
                 for line in lines]
    x = (screen.width - max(r.max_width for r in renderers)) // 2
    H = max(r.max_height for r in renderers) - 1  # text height
    effects = [Print(screen, renderer,
                     y=(screen.height - H * len(renderers)) // 2 + i * H, x=x)
               for i, renderer in enumerate(renderers)]
    effects.append(Print(screen,
                         SpeechBubble("Press X to exit"),
                         screen.height - 5,
                         speed=1, transparent=False,
                         start_frame=100))
    screen.play([Scene(effects, -1)], stop_on_resize=True)

if __name__ == "__main__":
    while True:
        try:
            Screen.wrapper(demo)
        except ResizeScreenError:
            continue
        else:
            break