I have a question about the behavior of "del()" Python built-in.
Ok, del only removes a name from the local namespace.
I have found an old answer of John, below. It seems that a better solution
is to use the remove method of a line instance:
Until now, I used "del" which works well when the complete object hierarchy
python -c "print ''.join([chr(154 - ord(c)) for c in '*9(9&(18%.9&1+,\'Z
"When a distinguished but elderly scientist states that something is
possible, he is almost certainly right. When he states that something is
impossible, he is very probably wrong." (first law of AC Clarke)