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18. AST Manipulation

The ast module lets you parse and modify Python code as an Abstract Syntax Tree.

Example​

import ast

expr = "2 + 3"
tree = ast.parse(expr, mode="eval")
print(ast.dump(tree))

Use Cases​

  • Code analysis tools
  • Linters
  • Metaprogramming

Wrap-Up​

AST manipulation enables deep introspection and transformation of Python code.