.remove() method in for-loop

[snippsat]

And you didn't test filter. If you add

Yes the filter one is fast.
Can also do a run PyPy,
It take a lot time down on the solution that not so optimal and not so much(as expected) on solution that is already good.

# Python 3.7
λ python test_bo.py
time_1 --> 53.79
time_2 --> 2.16
time_3 --> 1.03
time_4 --> 92.84
time_5 --> 0.20

# PyPy Python 3.5
λ pypy3 test_bo.py
time_1 --> 17.54
time_2 --> 0.76
time_3 --> 0.93
time_4 --> 21.62
time_5 --> 0.15