Standard Library and Built-ins Flashcards
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Read the first 6 Standard Library and Built-ins flashcards as text
What does `json.dumps({'key': 'value'})` return?
Answer: A JSON-formatted string
`json.dumps()` serializes a Python object to a JSON-formatted string (`dumps` = dump to string).
Which `json` function parses a JSON string into a Python object?
Answer: json.loads()
`json.loads()` deserializes a JSON string into a Python object (`loads` = load from string).
What does `os.listdir('.')` return?
Answer: A list of file and directory names in the current directory
`os.listdir(path)` returns a list of all entries (files and directories) in the specified directory.
What does `abs(-5)` return?
Answer: 5
`abs()` returns the absolute value of a number, which is always non-negative.
Which built-in function returns the larger of two values?
Answer: max()
`max()` returns the largest item in an iterable or the largest of two or more arguments.
What does the `copy` module's `deepcopy()` function do?
Answer: Recursively copies an object and all objects it references
`deepcopy()` creates a completely independent copy of an object, recursively copying all nested objects.
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- pythoninstitute.org — Eligibility, fees, retake fee, retake policy, score release, time limit, score validity · verified Nov 2026
- home.pearsonvue.com — Test delivery · verified Nov 2026