Source: 📖 Effective Python item 11

List slicing syntax

The syntax to use for list slicing is my_list[start:end], where start is inclusive and end is exclusive.

my_list = [1, 2, 3, 4]
sliced = my_list[1:3]

print(my_list)
print(sliced)

>>>
[1, 2, 3, 4]
[2, 3]