In [1]:
from pprint import pprint

words = ["uno", "dos", "tres", "foo", "bar", "baz", "biz"]

result = [word.upper() for word in words if word.startswith('b') or word.endswith('s')]

pprint(result)


['DOS', 'TRES', 'BAR', 'BAZ', 'BIZ']

In [3]:
from pprint import pprint

tags = ['man', 'you', 'are', 'awesome']
entries = [['man', 'thats'], ['right', 'awesome']]

result = [entry for tag in tags for entry in entries if tag in entry]

pprint(result)


[['man', 'thats'], ['right', 'awesome']]

In [4]:
from pprint import pprint
some_list = ['a', 'b', 'c']
some_list.extend(['d', 'e'])
pprint(some_list)


['a', 'b', 'c', 'd', 'e']