data = [
    ['Grinning', 2.26, 1.02, 87.3],
    ['Beaming', 19.1, 1.69, 150.0],
    ['ROFL', 25.6, 0.774, 0.0],
    ['Tears of Joy', 233.0, 7.31, 2270.0],
    ['Winking', 15.2, 2.36, 264.0],
    ['Happy', 22.7, 4.26, 565.0],
    ['Heart Eyes', 64.6, 11.2, 834.0],
    ['Kissing', 87.5, 5.13, 432.0],
    ['Thinking', 6.81, 0.636, 0.0],
    ['Unamused', 6.0, 0.236, 478.0],
    ['Sunglasses', 4.72, 3.93, 198.0],
    ['Loudly Crying', 24.7, 1.35, 654.0],
    ['Kiss Mark', 21.7, 2.87, 98.7],
    ['Two Hearts', 10.0, 5.69, 445.0],
    ['Heart', 118.0, 26.0, 1080.0],
    ['Heart Suit', 3.31, 1.82, 697.0],
    ['Thumbs Up', 23.1, 3.75, 227.0],
    ['Shrugging', 1.74, 0.11, 0.0],
    ['Fire', 4.5, 2.49, 150.0],
    ['Recycle', 0.0333, 0.056, 932.0]
]

sum_emojixpress = 0
for row in data:
    sum_emojixpress += row[1]
    mean_emojixpress = sum_emojixpress / len(data)
sum_instagram = 0
for row in data:
    sum_instagram += row[2]
    mean_instagram = sum_instagram / len(data)
sum_twitter = 0
for row in data:
    sum_twitter += row[3]
    mean_twitter = sum_twitter / len(data)
print("— Mean values —")
print()
print("EmojiXpress, mil. | Instagram, mil. | Twitter, mil.")
print("————————————————")
 # Pay attention to the formatting of the long string of code. Inside # parentheses in the function call you can place string breaks.
print("{: ^16.2f} | {: ^14.2f} | {: ^12.2f}".format( mean_emojixpress, mean_instagram, mean_twitter))