Projects Quiz

// question 1 of 10

What does the load_from_txt() pattern do in the projects?

Saves a dictionary to a file Reads a file and populates a dictionary Validates user input

// question 2 of 10

What does defaultdict(list) do when a missing key is accessed?

Creates the key with an empty list as value Returns None Raises a KeyError

// question 3 of 10

What does uuid.uuid4() generate?

A random universally unique identifier A sequential integer ID A timestamp-based string

// question 4 of 10

What is the difference between remove() and discard() on a set?

remove() raises KeyError if missing, discard() does not They are identical discard() raises KeyError if missing, remove() does not

// question 5 of 10

What is the purpose of newline="" when writing a CSV file?

Removes all newlines from content Prevents double newlines between rows Adds a blank line between rows

// question 6 of 10

What is the output of: [x**2 for x in range(4)]?

[1, 4, 9, 16] [0, 1, 2, 3] [0, 1, 4, 9]

// question 7 of 10

What does the get() method return when a key is missing?

None by default, or a specified default A KeyError An empty string

// question 8 of 10

What does os.path not provide in this course?

It was not covered in this course Dictionary operations File reading functions

// question 9 of 10

What does strptime("2025-04-07", "%Y-%m-%d") return?

A formatted string A date integer A datetime object

// question 10 of 10

What is the output of: "2025-04-07".split("-")?

['2025', '04', '07'] ['2025-04-07'] ['2025', '04-07']