Level 6Exercise #137

Immutable configuration

Define an immutable Config with host and port fields.

What you’ll practice

This Level 6 exercise focuses on frozen dataclass in the Professional curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.

Relevant Python reference: dataclasses — Data Classes.

Sample Test Cases

Example #1

Input:make_config('localhost', 8080)

Output:Config(host='localhost', port=8080)

Reference Solution

Reveal Reference Solution

def make_config(host: str, port: int):
    from dataclasses import dataclass
    @dataclass(frozen=True)
    class Config:
        host: str
        port: int
    return Config(host, port)

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Immutable configuration

What you’ll practice

Sample Test Cases

Further Reading

Reference Solution