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§ÚêLc @ s_ d Z d d k l Z d d k l Z d d k l Z l Z l Z d e i f d „ ƒ YZ d S( s• Fixer for exec.
This converts usages of the exec statement into calls to a built-in
exec() function.
exec code in ns1, ns2 -> exec(code, ns1, ns2)
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exec_stmt< 'exec' a=any 'in' b=any [',' c=any] >
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exec_stmt< 'exec' (not atom<'(' [any] ')'>) a=any >
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