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7.1 Safe File Handling, Pathlib & JSON Parsing
Topic Summary
Ditch legacy os.path for object-oriented pathlib.Path and parse JSON safely.
What You Will Learn
• Use `pathlib.Path` for cross-platform file paths.
• Read and write text/bytes in 1 line: `path.read_text()` and `path.write_text()`.
• Serialize and deserialize Python dictionaries to JSON with `json.dumps()` and `json.loads()`.
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