python
from funcy import mapcat
names = ['Alice', 'Bob', 'Charlie']
capitalized_names = mapcat(str.upper, names)
print(list(capitalized_names))
['A', 'L', 'I', 'C', 'E', 'B', 'O', 'B', 'C', 'H', 'A', 'R', 'L', 'I', 'E']
python
from funcy import select
numbers = [1, 2, 3, 4, 5, 6]
even_numbers = select(lambda x: x % 2 == 0, numbers)
print(list(even_numbers))
[2, 4, 6]
python
from funcy import pluck
users = [{'name': 'Alice', 'age': 30}, {'name': 'Bob', 'age': 25}, {'name': 'Charlie', 'age': 35}]
user_names = pluck('name', users)
print(list(user_names))
['Alice', 'Bob', 'Charlie']
pip install funcy
