[issue7423] nested generator expression produces strange results

[Christopher King]

Christopher King added the comment:

Quote from Guido:

"""In general the value of every free variable used anywhere 
except in the outer expression should be captured; [...] This 
should give the least surprising semantics in a variaty of use 
cases."""

Source: http://bugs.python.org/issue872326#msg45190

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<http://bugs.python.org/issue7423>
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