IP:    11000000.10101000.00000001.00001010  (192.168.1.10)
Маска: 11111111.11111111.11111111.00000000  (255.255.255.0)

numbers = [1, 2, 3, 4, 5]
squared = []

for num in numbers:
    squared.append(num ** 2)  # Явно указываем, что делать на каждом шаге

print(squared)  # [1, 4, 9, 16, 25]

#!/bin/bash
mkdir /backup
cp /var/log/syslog /backup/
echo "Backup создан"

  apt update
  apt install nginx

  resource "aws_instance" "web" {
    ami = "ami-123456"
    instance_type = "t2.micro"
  }

# Использование официального образа Python 3.8 как базового
FROM python:3.8

  resource "aws_instance" "web" {
    ami           = "ami-123456"
    instance_type = "t2.micro"
  }
  

CREATE TABLE visits (
    user_id UInt32,
    url String,
    duration UInt32,
    event_time DateTime
) ENGINE = MergeTree()
ORDER BY event_time;

INSERT INTO visits VALUES (1, 'https://example.com', 30, now());

SELECT url, AVG(duration) 
FROM visits 
GROUP BY url 
ORDER BY AVG(duration) DESC;

sudo apt update
sudo apt install -y software-properties-common
sudo add-apt-repository ppa:deadsnakes/ppa -y
sudo apt update
sudo apt install -y python3.10  # Устанавливаем нужную версию

python3.10 --version

sudo apt update
sudo apt install -y build-essential libssl-dev \
    libreadline-dev libsqlite3-dev \
    zlib1g-dev libbz2-dev libffi-dev

cd /usr/src
sudo wget https://www.python.org/ftp/python/3.11.6/Python-3.11.6.tgz
sudo tar xvf Python-3.11.6.tgz

cd Python-3.11.6
sudo ./configure --enable-optimizations
sudo make -j$(nproc)
sudo make altinstall  # НЕ make install, чтобы не затереть системный Python

python3.11 --version

curl https://pyenv.run | bash

export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init --path)"
eval "$(pyenv virtualenv-init -)"

source ~/.bashrc

pyenv install 3.10.12
pyenv global 3.10.12  # Делаем версию по умолчанию

python --version

git checkout feature-branch

git checkout main
git pull origin main

git checkout feature-branch
git rebase main

   git add <файл>
   

   git rebase --continue
   

git push origin feature-branch --force

yaml  
- name: Установка Nginx  
  hosts: web  
  tasks:  
    - name: Установить Nginx  
      apt:  
        name: nginx  
        state: present  

hcl  
resource "aws_instance" "web" {  
  ami           = "ami-123456"  
  instance_type = "t2.micro"  
}  

json  
{  
  "builders": [{  
    "type": "amazon-ebs",  
    "region": "us-east-1",  
    "source_ami": "ami-123456",  
    "instance_type": "t2.micro",  
    "ssh_username": "ubuntu"  
  }]  
}  

yaml  
version: '3'  
services:  
  web:  
    image: nginx  
    ports:  
      - "80:80"