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Python Reference Manual

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A. Future statements and nested scopes

The semantics of Python's static scoping will change in version 2.2 tosupport resolution of unbound local names in enclosing functions'namespaces. The new semantics will be available in Python 2.1 throughthe use of a future statement. This appendix documents these twofeatures for Python 2.1; it will be removed in Python 2.2 and thefeatures will be documented in the main sections of this manual.

• A.1 Future statements
• A.2__future__ -- Future statement definitions
• A.3 Nested scopes
  • A.3.1 Definitions and rules
  • A.3.2 Interaction with dynamic features

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Python Reference Manual

Previous:8.4 Expression inputUp:Python Reference ManualNext:A.1 Future statements

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Release 2.2.3, documentation updated on 30 May 2003.