I feel that python is slow.
When I executed the for statement, it didn't end easily.
What should I do if I don't know the cause?
time1 = time.time () for i in range (10000): print (i) print (time.time ()-time1) # 2.1952428817749023
Answer # 1
The slowest is print. Console screen input/output is a very heavy process, so it takes some time to go in any language.
If possible, output to a file instead of a screen.
For Python, in addition to that, for is also slow, so it will be a little faster if you first assemble the string with comprehensions.
Answer # 2
It was 0.6711642742156982 when I executed it with Spyder at hand.
... I don't think it's slow
Python 3.7.5, Linux Mint19.2, AMD Ryzen 5 1600X
Answer # 3
python is an interpreter.
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