$ python3
>>> import emoji
>>> print(emoji.emojize('Python is :thumbs_up:'))
Python is 👍
>>> print(emoji.emojize("Python is fun :red_heart:"))
Python is fun ❤️
>>> print(emoji.emojize("Meow! :smiling_cat_with_heart-eyes:"))
Meow! 😻
  
Here is list of all the emojis available. Note that some of them may not actually work in the Linux terminal but try them out and see what works!