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import copy, sys
from PyPDF2 import PdfFileWriter, PdfFileReader

pdfFileObj = open("in.pdf", 'rb')
input_ = PdfFileReader(pdfFileObj)

output_ = PdfFileWriter()
for i in range(input_.getNumPages()):
    p = input_.getPage(i)
    q = copy.copy(p)

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#include <iostream>
#include <type_traits>

template <class T> constexpr T absolute(T arg) {
   return arg < 0 ? -arg : arg;
}

template <class T>
constexpr auto precision_threshold = T(0.00000000000000000001);

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1) git clone https://github.com/elfmz/far2l
2) cd far2l
3) mkdir build
4) cd build
5) cmake -DUSEWX=no -DCMAKE_BUILD_TYPE=Release ..
6) make -j9
7) install/far2l

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sudo apt install libkf5globalaccel-bin

~/.config/yakuakerc
[Animation]
Frames=0

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sudo apt-get install grml-rescueboot

copy *.iso to /boot/grml

sudo vim /etc/default/grub

GRUB_DEFAULT=0
# GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=10

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# tab -> select languages
gsettings set org.gnome.desktop.input-sources xkb-options "['grp:caps_toggle']"

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def fib(n, a1 = 1, a2 = 1): 
    print(a1)
    if n - 1 > 0:
        return fib(n - 1, a2, a1 + a2)

fib(20)

def fib2(n, a1 = 1, a2 = 1): 
    yield a1
    if n - 1 > 0:

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xrandr --newmode "1920x1080_58.00"  166.89  1920 2040 2248 2576  1080 1081 1084 1117  -HSync +Vsync
xrandr --addmode DVI-I-1 "1920x1080_58.00"

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Given an unsigned integer, return the number of trailing zero bits

Test framework:

#include <stdio.h>
#include <assert.h>

unsigned trailing_zeros(unsigned n) {
    // fill in this function