Modules and Packages - General Questions

What is the output of the following code?

import itertools
print(len(list(itertools.permutations('abc'))))

Which file marks a directory as a regular Python package (traditionally)?

What is the output of the following code?

import datetime
d = datetime.date(2024, 2, 28) + datetime.timedelta(days=1)
print(d)

What is the output of the following code?

import random
random.seed(1)
a = random.random()
random.seed(1)
print(a == random.random())

Where does Python look for modules when you import them?