Maximum level of recursion in Python

What's the maximum level 开发者_如何学Goof recursion and how do I change it in Python?

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The default is 1000 levels deep and you can change that using the setrecursionlimit function in the sys module.

Warning:

Beware that some operating systems may start running into problems if you go much higher due to limited stack space.

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Thought I will add a code example:

import sys
sys.setrecursionlimit(100000)

As Lizard noted, default is 1000 for a reason and the warning is important. Trying a high recursion limit on fibonacci(10000) ( return f(n-1) + f(n-2) ) was enough to shut down my Python IDE. Not getting the 'recursion depth reached' warning did not mean the problem was solved.