nested loops in Python

[Igor Kozin]

Why nested loops are so slow in Python? Is it because new contexts are created?
For more details, see
http://stackoverflow.com/questions/26611043/numpy-vs-cython-nested-loop-so-slow
http://stackoverflow.com/questions/39371021/efficient-loop-over-numpy-array
Thanks! 
-- 
https://mail.python.org/mailman/listinfo/python-list