Dump an Ast node as a string.

Walk calls Visit on every node in the ast.

Python types.

Misc.

Expr.

Mod.

Slicer.

Stmt.

Base AST node.

need sequences for compare to distinguish between.

Position in the parse tree.

All node types implement the Ast interface.

All ExprBase notes implement the Expr interface.

All ModBase nodes implement the Mod interface.

ExprNodes which have a settable context implement this.

All SliceBase nodes implement the Slicer interface.

All StmtBase nodes implement the Stmt interface.