| 1 | import ast |
| 2 | |
| 3 | class CodeAnalyzer(ast.NodeVisitor): |
| 4 | def __init__(self): |
| 5 | self.loaded = set() |
| 6 | self.stored = set() |
| 7 | self.deleted = set() |
| 8 | def visit_Name(self, node): |
| 9 | if isinstance(node.ctx, ast.Load): |
| 10 | self.loaded.add(node.id) |
| 11 | elif isinstance(node.ctx, ast.Store): |
| 12 | self.stored.add(node.id) |
| 13 | elif isinstance(node.ctx, ast.Del): |
| 14 | self.deleted.add(node.id) |
| 15 | |
| 16 | # Sample usage |
| 17 | if __name__ == '__main__': |