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Files & data

Read and write files safely; parse JSON, CSV, and common text formats.

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Files & data easy

Create a Personal Knowledge Base That Searches Notes Instantly in Python

Build a lightweight personal knowledge base with JSON storage and instant case-insensitive full-text search across note titles and content.

json knowledge base search
Python
import json
import re
import sys

class PersonalKnowledgeBase:
    def __init__(self, file_path="kb_notes.json"):
        self.file_path = file_path
        self.notes = self._load_notes()

    def _load_notes(self):
        try:
            with open(self.file_path, "r") as f:
                return json.load(f)
    …
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