I can also confirm perl 0.612s vs python 0.406s

I have measured the time reading the file only. perl is twice as fast as python:

Perl:
real    0m0.064s
user    0m0.016s
sys    0m0.047s

Python:
real    0m0.123s
user    0m0.046s
sys    0m0.075s
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