diff --git a/LICENSE b/LICENSE
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--- a/LICENSE
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- GNU GENERAL PUBLIC LICENSE
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-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
- END OF TERMS AND CONDITIONS
-
- How to Apply These Terms to Your New Programs
-
- If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
- To do so, attach the following notices to the program. It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-
- Copyright (C)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see .
-
-Also add information on how to contact you by electronic and paper mail.
-
- If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
- Copyright (C)
- This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
- This is free software, and you are welcome to redistribute it
- under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License. Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
- You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-.
-
- The GNU General Public License does not permit incorporating your program
-into proprietary programs. If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library. If this is what you want to do, use the GNU Lesser General
-Public License instead of this License. But first, please read
-.
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-Задание 1: Дан словарь dct с двумя уровнями вложенности. Введите ключ x и напечатайте все значения
-всех словарей, у которых ключ совпадает с x.
-Например: dct = {1: 123, 2:234, 3:{1:111, 2:222}, 4:{1:’abc’, 2: ‘def’}} x = 1
-Результат: 123 111 abc
-
-
-Задача 2: Напишите функцию, которая шифрует строку, содержащую латинские буквы с помощью шифра Цезаря.
-Каждая буква сдвигается на заданное число n позиций вправо. Пробелы, знаки препинания не меняются.
-Например, для n = 1.
-a → b, b → c, p → q, y → z, z V a
-A → B, B → C, Z → A
-Т.е. заголовок функции будет def code(string, n):
-В качестве результата печатается сдвинутая строка.
-
-
-Задание 3: Используя лямбда-функцию напишите цикл, который печатает квадраты чисел от 0 до 9.
-
-Задание 4: Создайте лямбда функцию, которая принимает один параметр – строку. Переводит все буквы в нижний регистр и переворачивает их в обратном порядке. Пример входа: ‘ACbdzYx’,
-Вывод: 'xyzdbca'
-
-Задание 5: Создайте списковое включение, которое генерирует следующую последовательность: 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, и т.д. до 10
-
-Задание 6: Напишите функцию, которая на вход принимает строку диапазонов натуральных чисел, например: ‘1-2,4-4,3-6’. На выходе функция должна сформировать список натуральных чисел, которые попадают в один из этих диапазонов, например: [1,2,4,3,4,5,6].
-
-Задание 7: Найти сумму элементов матрицы. Написать функцию msum(matrix) которая подсчитывает сумму всех элементов матрицы:
-Задачу решить с помощью генераторов.
-
->>> matrix = [[1, 2, 3], [4, 5, 6]]
->>> msum(matrix)
-21
\ No newline at end of file
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-# Лабораторная работа #12 - Cетевые утилиты Linux.
-
-Вам предстоит изучить утилиты для захвата сетевого трафика, научиться анализировать захваченные пакеты, извлекать из них полезную информацию.
-
-## Материалы
-- [Лабораторная_работа_№_12_Сетевые_утилиты.docx](./Лабораторная_работа_№_12_Сетевые_утилиты.docx)
-
-## Работа
-
-Нам потребуется 2 ВМ. Я буду использовать одну [Ubuntu Desktop](https://ubuntu.com/download/desktop#downloads) а вторую [Ubuntu Server](https://ubuntu.com/download/server#downloads)
-
-Также нам потребуется настроить [**Сеть NAT**](https://github.com/xarll/vpr/blob/main/items/os1/lab6_2/README.md#%D0%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B8%D0%BC-%D1%81%D0%B5%D1%82%D1%8C-nat) или любую другую сеть между машинами
-
-
-#### 1. Утилита TCPDump
-
-Утилита TCPDump представляет собой мощный и популярный инструмент для перехвата и анализа сетевых пакетов. Она позволяет просматривать все входящие и исходящие из определенного интерфейса пакеты и работает в командной строке. Её использование необходимо в случаях, когда невозможно запустить Wireshark, например, в операционных системах без графической оболочки. Данная утилита часто используется для устранения неполадок в сети, а также для обеспечения безопасности.
-
-
-Если tcpdump запустить без параметров, он будет выводить информацию обо всех сетевых пакетах. С помощью параметра -i можно указать сетевой интерфейс, с которого следует принимать данные, например:
-
-```bash
-sudo tcpdump -i enp0s8
-```
-
-Чтобы посмотреть названия всех доступных для захвата интерфейсов, нужно запустить `TCPDump` с ключом `-D`.
-Для более точной настройки работы `TCPDump` можно использовать один из перечисленных далее параметров, или их комбинацию.
-— выводить сокращённую информацию: `-q`;
-— выводить подробную информацию: `-v` `-vv` `-vvv` (чем больше v, тем подробнее информация);
-— не преобразовывать порты: `-n` (вместо названий, например, http или ftp будут показываться номера, для указанных протоколов: 80 и 21);
-— не преобразовывать имена: `-nn` (вместо имён компьютеров, например, UbuntuServer1804 будут показываться их IP-адреса);
-— показывать MAC-адреса: `-e`;
-— захватить только определённое количество пакетов: `-с количество`;
-
-Для протокола, чьи пакеты должны захватываться, достаточно указать его название, например:
-```bash
-tcpdump icmp
-```
-или
-```bash
-tcpdump udp port 53
-```
-Параметр port позволяет ограничить для захватываемого трафика порт или их диапазон. Данный параметр применим только к протоколам `TCP` и `UDP`.
-По умолчанию `TCPDump` выводит информацию о захваченных пакетах на экран, однако её можно записывать в файл. Для это используется параметр `-w`:
-```bash
-tcpdump -w /home/student/1.cap
-```
-Полученный в результате файл имеет формат, совместимый с `Wireshark` и может быть в дальнейшем проанализирован в данной программе с использованием более наглядного графического интерфейса, а также широких возможностей по созданию фильтров и подсчёту статистики.
-
-#### 1.1. С помощью утилиты TCPDump захватите и выведите на экран информацию из входящих пакетов протоколов HTTP и ICMP.
-
-```bash
-tcpdump "icmp or (port 80 or port 443)"
-```
-
-
-
-Со 2й ВМ выполните `ping -c 3` и `curl `
-Также чтобы захватить `http`, можете открыть в web браузере любой вебсайт
-
-
-
-
-#### 1.2. С помощью утилиты TCPDump захватите и запишите в файл трафик, передаваемый виртуальной машиной с Ubuntu Server в процессе обращения к ней по протоколу HTTP и выполнения команды ping.
-
-Действия как и в П.1.1, но добавляется параметр для сохранения результата `... -w /home/jkearnsl/supadump.cap`
-
-```bash
-tcpdump "icmp or (port 80 or port 443)" -w /home/jkearnsl/supadump.cap
-```
-
-#### 2. Wireshark
-
-Wireshark — программа-анализатор трафика для компьютерных сетей Ethernet и некоторых других. Имеет графический пользовательский интерфейс.
-Позволяет анализировать шифрованный/незашифрованный трафик, дешифровать шифрованный график (при наличии сертификата)
-
-
-
-
-##### Установка
-
-```bash
-sudo apt-get install wireshark
-```
-
-```bash
-sudo dpkg-reconfigure wireshark-common
-```
-
-```bash
-sudo adduser $USER wireshark
-```
-
-##### Запуск
-
-```bash
-wireshark
-```
-
-#### 2.1. Передайте полученный трафик на виртуальную машину с десктопной версией Linux и установленной программой Wireshark.
-
-Нажмите: `Файл` --> `Открыть`
-
-
-
---> `<выберите файл, который мы сохранили в П.1.2>` --> `Открыть`
-
-
-
-
-#### 2.2. С использованием Wireshark выделите из общего трафика отдельно HTTP и отдельно ICMP-пакеты.
-
-В wireshark есть фильтр, вбиваем туда `icmp or http` чтобы отобразить только `icmp` и `http` протоколы.
-
-
-
-#### 2.3. Определите все протоколы а также, все MAC-адреса, чьи пакеты присутствуют в захваченном трафике.
-
-Нажмите: `Статистика` --> `Иерархия Протоколов`
-
-
-
-Нажмите: `Статистика` --> `Диалоги`
-
-
-
-
-#### 2.4. Определите все IP-адреса, которые присутствуют в захваченном трафике.
-
-Нажмите: `Статистика` --> `IPv4 Statistics` --> `All Addresses`
-
-
-
-Тут продемонстрированы все уникальные ipv4 которые участвовали в трафике
-
-
-
-
-#### 2.5. Определите все запрашиваемые доменные имена.
-
-Нажмите: `Статистика` --> `HTTP` --> `Запросы`
-
-
-
-
-PS: возможно есть лучший метод, чем предлагаю я
-
-#### 3. NMap
-
-nmap — свободная утилита, предназначенная для разнообразного настраиваемого сканирования IP-сетей с любым количеством объектов, определения состояния объектов сканируемой сети.
-Ключевой информацией является «таблица важных портов».
-
-Эта таблица содержит номер порта, протокол, имя службы и состояние. Состояние может иметь значение `open` (открыт), `filtered` (фильтруется), `closed` (закрыт) или `unfiltered` (не фильтруется). Открыт означает, что приложение на целевой машине готово для установки соединения/принятия пакетов на этот порт. Фильтруется означает, что брандмауэр, сетевой фильтр, или какая-то другая помеха в сети блокирует порт, и Nmap не может установить открыт этот порт или закрыт. Закрытые порты не связаны ни с каким приложением, но могут быть открыты в любой момент. Порты расцениваются как не фильтрованные, когда они отвечают на запросы Nmap, но Nmap не может определить открыты они или закрыты. Nmap выдает комбинации открыт|фильтруется и закрыт|фильтруется, когда не может определить, какое из этих двух состояний описывает порт. Эта таблица также может предоставлять детали о версии программного обеспечения, если это было указано при запуске сканирования.
-
-Использование NMap заключается в выполнении команды:
-```bash
-nmap [<Тип сканирования>] [<Опции>] {<цель сканирования>}
-```
-Тип сканирования определяет используемые пакеты и подход к интерпретации результата. Для протокола TCP можно задать один или несколько из следующих типов сканирования:
-- `-sS` — TCP SYN;
-- `-sT` — TCP connect;
-- `-sN`; `-sF`; `-sX` — NULL, FIN и Xmas;
-- `-sA` — TCP ACK;
-- `-sW` — TCP Window;
-- `-sM` — TCP сканирование Мэймона.
-
-Подробнее про их различие можно прочитать в официальной русскоязычной [документации](https://nmap.org/man/ru/man-port-scanning-techniques.html). Чем больше типов сканирования выбрано при запуске команды, тем дольше оно будет осуществляться.
-Для сканирования UDP-портов необходимо использовать параметр `-sU`.
-По умолчанию NMap проверяет только первую тысячу портов (от 1 до 1000). При необходимости изменить данный диапазон можно использовать параметр `-p`, например:
-```bash
-nmap -sU -p 520 172.16.0.1-254
-```
-В представленной команде указывается сканировать только UDP-порт `520` на всех узлах с адресами от `172.16.0.1` до `172.16.0.254`.
-Возможен и противоположный вариант, например, сканировать все TCP-порты от 1 до 65535 на одном узле с адресом `10.0.0.1`:
-```bash
-nmap -sS -p 1-65535 10.0.0.1
-```
-Последний параметр называется целью сканирования и определяет множество адресов, для которых должно выполняться сканирование. В нём допустимо указывать:
-— единичный IP адрес: `nmap 192.168.1.1`
-— доменное имя узла: `nmap donstu.local`
-— множество IP-адресов: `nmap 192.168.1.1 192.168.1.2 192.168.1.3`
-— диапазон IP-адресов: `192.168.1.1-254`
-— подсеть: `192.168.1.0/24`
-
-NMap имеет множество дополнительных опций, обеспечивающих широкие возможности сбора информации о сети. Среди них:
-- `-sV` — детальное исследование портов для определения версий служб;
-- `-O` — определять операционную систему.
-Для упрощения использования `NMap` для неё существует официальный графический интерфейс — `ZenMap`.
-
-#### 3.1 Просканируйте какую-либо сеть (реальную или виртуальную) с целью определить операционные системы оборудования, входящего в неё, наличие других сетевых сервисов, используемые служебные сетевые протоколы (например DHCP или протоколы маршрутизации).
-
-```bash
-nmap -A -p-
-```
-
-В моем случае:
-
-```bash
-nmap -A -p- 10.0.2.1-255
-```
-
-
-
-
-Это занимает какое-то время (у меня несколько минут)
-
-
-## Контрольные вопросы
-
-> 1. Что такое `TCPDump`?
-
-Утилита, представляющая собой инструмент для перехвата и анализа сетевых пакетов
-
-> 2. Приведите примеры нескольких фильтров для `TCPDump`.
-- `icmp`
-- `tcp or icmp`
-- `port 20`
-
-> 3. Как проанализировать трафик, захваченный с помощью TCPDump в Wireshark?
-
-Сохранить трафик с помощью параметра `-w ` и открыть в wireshark
-
-> 4. Какая статистика может быть получена в Wireshark для сетевого трафика?
-
-Всяка-разная: от списка ip/mac/domain, до структурированного содержания данных пакета
-
-> 5. Что такое NMap и ZenMap?
-
-`NMap` - CLI утилита для сканирования сетей/узлов. `ZenMap` - её графический аналог
-
-> 6. Что является результатом работы NMap/ZenMap?
-
-Результатом работы является список просканированных целей с дополнительной информацией по каждой из них в зависимости от заданных опций. Ключевой информацией является «таблица важных портов».
-
-> 7. Что означает «открытый», «закрытый» и «фильтруемый» порт?
-- open (открыт) - Означает, что приложение на целевой машине готово для установки соединения/принятия пакетов на этот порт
-- closed (закрыт) - Закрытые порты не связаны ни с каким приложением, но могут быть открыты в любой момент
-- filtered (фильтруется) - Фильтруется означает, что брандмауэр, сетевой фильтр, или какая-то другая помеха в сети блокирует порт, и Nmap не может установить открыт этот порт или закрыт.
-- unfiltered - Когда nmap получает их, но не может определить
-
-*Авторство: **Бояршинов Н.О***
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diff --git a/episode_2/Linux_lesson2.pdf b/episode_2/Linux_lesson2.pdf
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diff --git a/episode_2/Linux_practic2.pdf b/episode_2/Linux_practic2.pdf
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diff --git a/episode_3/linux_lesson3.pdf b/episode_3/linux_lesson3.pdf
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diff --git a/episode_4/Linux_lesson4.pdf b/episode_4/Linux_lesson4.pdf
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diff --git a/episode_4/for_reading.md b/episode_4/for_reading.md
deleted file mode 100644
index 391b06c..0000000
--- a/episode_4/for_reading.md
+++ /dev/null
@@ -1,3 +0,0 @@
-[Перенаправление ввода/вывода в Linux](https://selectel.ru/blog/tutorials/linux-redirection/)
-
-[Устройство подсистемы TTY](https://wandrien.github.io/articles/tty/)
diff --git a/episode_5/manual/if.pdf b/episode_5/manual/if.pdf
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diff --git a/episode_6/manual/for.pdf b/episode_6/manual/for.pdf
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diff --git a/episode_7/code/bash.sh b/episode_7/code/bash.sh
deleted file mode 100755
index db7b0c3..0000000
--- a/episode_7/code/bash.sh
+++ /dev/null
@@ -1,47 +0,0 @@
-#!/bin/bash
-
-function outer() {
- local count=0
- inner() {
- count=$(($count + 1))
- echo $count
- }
- }
-
-outer
-inner
-inner
-inner
-#fn=`outer`
-##echo $fn
-#count=`$fn`
-#echo $count
-
-#res=outer
-#cout=`res`
-
-
-#decorator() {
-# echo "Code block befor call function"
-# res=$($1 20 100)
-# echo "Code block code call function"
-#}
-##
-#decorator summ
-#echo $res
-
-
-
-
-
-#p_internakCall() {
-# echo $0
-# echo $(($1 + $2 ))
-#
-# g_int=200
-# local l_foo='error'
-# echo 'Вызов HTTP сервера GET'
-#}
-#
-#p_internakCall 123 17
-#echo $l_foo
\ No newline at end of file
diff --git a/episode_7/code/task.sh b/episode_7/code/task.sh
deleted file mode 100755
index 399fbc7..0000000
--- a/episode_7/code/task.sh
+++ /dev/null
@@ -1,59 +0,0 @@
-#!/bin/bash
-#set -x
-#echo "Hello, World!"
-
-files=(*)
-for file in "${files[@]}"; do
- echo "$file"
-done
-
-#var1='A'
-#var2='B'
-my_function () {
- echo "First argument is $1"
- echo "Second argument is $2"
- local var1='C'
- var2='D'
- echo "Inside function: var1: $var1, var2: $var2"
- echo 'aaaaa'
- g_result_git=( 2 3 4 5 )
-}
-
-befor_call(){
- echo "befor_call"
-}
-
-after_call(){
- echo "after_call"
-}
-
-decarator(){
- befor_call
- echo `$1`
- res=`$1`
- after_call
-}
-
-
-closure(){
- local count=1
- increment() {
- count=$((count + 1))
- }
- echo 'increment'
-}
-
-res=$(closure)
-echo `$res`
-
-#decarator 'my_function'
-#echo ${g_result_git[@]}
-
-
-
-
-
-
-#echo "Before executing function: var1: $var1, var2: $var2"
-#echo "After executing function: var1: $var1, var2: $var2"
-#fn="my_function"
diff --git a/episode_7/manual/git.pdf b/episode_7/manual/git.pdf
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diff --git a/episode_9/10.proc.pdf b/episode_9/10.proc.pdf
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index 0d9c6e0..0000000
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diff --git a/episode_9/Linux_lesson.pdf b/episode_9/Linux_lesson.pdf
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index c05077c..0000000
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diff --git a/episode_9/link.py b/episode_9/link.py
deleted file mode 100644
index 2fa595b..0000000
--- a/episode_9/link.py
+++ /dev/null
@@ -1 +0,0 @@
-https://practicaldev-herokuapp-com.global.ssl.fastly.net/satorutakeuchi/how-linux-works-chapter1-linux-overview-part1-3g61
\ No newline at end of file
diff --git a/task/task1.py b/task/task1.py
new file mode 100644
index 0000000..8b0b126
--- /dev/null
+++ b/task/task1.py
@@ -0,0 +1,7 @@
+# todo: Определить в коде переменные:
+# 1. Целочисленного типа
+# 2. Вещественного типа
+# 3. Логического типа
+# 4. Строкового типа
+# 5. Пустого типа
+# Вывести их типы.
\ No newline at end of file
diff --git a/task/task10.py b/task/task10.py
new file mode 100644
index 0000000..87bffdd
--- /dev/null
+++ b/task/task10.py
@@ -0,0 +1,4 @@
+# todo: 10.1 Дано целое число A. Проверить истинность высказывания: «Число A является четным».
+# todo: 10.2 Дано целое число A. Проверить истинность высказывания: «Число A является нечетным».
+# Примечание: В задании требуется вывести логическое значение True, если выражение
+# для введеных исходных данных является истинным, и значение False в противном случае.
\ No newline at end of file
diff --git a/task/task2.py b/task/task2.py
new file mode 100644
index 0000000..b72e2dc
--- /dev/null
+++ b/task/task2.py
@@ -0,0 +1,17 @@
+# todo: Преобразуйте переменную age и foo в число
+# age = "23"
+# foo = "23abc"
+#
+# Преобразуйте переменную age в Boolean
+# age = "123abc"
+#
+# Преобразуйте переменную flag в Boolean
+# flag = 1
+#
+# Преобразуйте значение в Boolean
+# str_one = "Privet"
+# str_two = ""
+#
+# Преобразуйте значение 0 и 1 в Boolean
+#
+# Преобразуйте False в строку
\ No newline at end of file
diff --git a/task/task3.py b/task/task3.py
new file mode 100644
index 0000000..c36e797
--- /dev/null
+++ b/task/task3.py
@@ -0,0 +1,5 @@
+# todo: Данные две переменные:
+# age = 36.6
+# temperature = 25
+# Нужно обменять значения переменных местами. В итого age
+# должен равнятся 25 а temperature – 36.6:
\ No newline at end of file
diff --git a/task/task4.py b/task/task4.py
new file mode 100644
index 0000000..be4710c
--- /dev/null
+++ b/task/task4.py
@@ -0,0 +1,17 @@
+# todo: Заданы три числа в переменных x, y, z.
+# Напечатать наибольшее из этих чисел.
+# Пример:
+# x = 10
+# y = 15
+# z = 2
+# Ответ:
+# Наибольшее число 15
+
+# Пример:
+# x = 77
+# y = 9
+# z = 130
+# Ответ:
+# Наибольшее число 130
+
+# Задачу решить без функций max и прочих.
\ No newline at end of file
diff --git a/task/task5.py b/task/task5.py
new file mode 100644
index 0000000..1967656
--- /dev/null
+++ b/task/task5.py
@@ -0,0 +1,4 @@
+#todo: Написать программу, которая считывает два числа и выводит их сумму, разность, частное, произведение,
+# результат целочисленного деления, результат деления с остатком, результат возведения в степень.
+
+
diff --git a/task/task6.py b/task/task6.py
new file mode 100644
index 0000000..203f6b1
--- /dev/null
+++ b/task/task6.py
@@ -0,0 +1,2 @@
+#todo: Дана сторона квадрата a. Найти его площадь S = a²
+# Примечание: сторону квадрата получаем через функцию input().
diff --git a/task/task7.py b/task/task7.py
new file mode 100644
index 0000000..4cb1651
--- /dev/null
+++ b/task/task7.py
@@ -0,0 +1,2 @@
+#todo: Даны три точки A , B , C на числовой оси. Найти длины отрезков AC и BC и их сумму.
+# Примечание: все точки получаем через функцию input().
diff --git a/task/task8.py b/task/task8.py
new file mode 100644
index 0000000..79a8b4e
--- /dev/null
+++ b/task/task8.py
@@ -0,0 +1 @@
+# todo: Проверить истинность высказывания: "Данное четырехзначное число читается одинаково слева направо и справа налево".
\ No newline at end of file
diff --git a/task/task9.py b/task/task9.py
new file mode 100644
index 0000000..186d249
--- /dev/null
+++ b/task/task9.py
@@ -0,0 +1,2 @@
+# todo: Решить линейное уравнение A·x + B = 0, заданное своими коэффициентами A и B (коэффициент A не равен 0).
+# Примечание: коэффициенты получаем через функцию input().
\ No newline at end of file