Standard Library and Built-ins Flashcards

Which module provides tools for working with dates and times in Python?

Answer: datetime

The `datetime` module provides classes for manipulating dates and times.

What does `random.randint(1, 10)` return?

Answer: A random integer from 1 to 10 inclusive

`random.randint(a, b)` returns a random integer N such that a <= N <= b (both endpoints included).

Which function from the `os` module returns the current working directory?

Answer: os.getcwd()

`os.getcwd()` returns the current working directory as a string.

What does `math.floor(3.9)` return?

Answer: 3

`math.floor()` returns the largest integer less than or equal to the given number.

Which built-in function returns the number of items in a container?

Answer: len()

`len()` returns the number of items in an object such as a list, string, or dictionary.

What does `isinstance(42, int)` return?

Answer: True

`isinstance(42, int)` returns True because 42 is an instance of the `int` class.