#!/usr/bin/python3
# -*- coding: utf-8 -*-
import sys
import inspect

# defaults to 1000 in python3, and 3000 in ipython3?
print(sys.getrecursionlimit())
sys.setrecursionlimit(1500)
print(sys.getrecursionlimit())

# 1 in python3
# 12 in ipython3
# Overhead of extras in ipython3
print("\nIn global/main")
print(len(inspect.stack()))


def func1() -> None:
    print("\nIn func1")
    print(len(inspect.stack()))
    func2()


def func2() -> None:
    print("\nIn func2")
    print(len(inspect.stack()))
    func3()


def func3() -> None:
    print("\nIn func3")
    print(len(inspect.stack()))


func1()