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  5. #1 Июль 23, 2019 11:51:37
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The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. More about defining functions in Python 3

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Calculations are simple with Python, and expression syntax is straightforward: the operators + , — , * and / work as expected; parentheses () can be used for grouping. More about simple math functions in Python 3.

Experienced programmers in any other language can pick up Python very quickly, and beginners find the clean syntax and indentation structure easy to learn. Whet your appetite with our Python 3 overview.

Python knows the usual control flow statements that other languages speak — if , for , while and range — with some of its own twists, of course. More control flow tools in Python 3

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Python-сообщество

Уведомления

#1 Июль 23, 2019 11:51:37

Помогите новичку разобраться.

Начал изучать пайтон по книжке A Byte of Python.
Там есть здание:
Составить программу, которая создаёт резервные
копии всех наших важных файлов.
1. Файлы и каталоги, которые необходимо скопировать, собираются в список.
2. Резервные копии должны храниться в основном каталоге резерва.
3. Файлы помещаются в zip-архив.
4. Именем для zip-архива служит текущая дата и время.
5. Будем использовать стандартную команду zip, имеющуюся по умолчанию в любом
стандартном дистрибутиве GNU/Linux. Пользователи Windows могут установить её
со страницы проекта GnuWin32 и добавить “C:\Program Files\GnuWin32\bin” к си-
стемной переменной окружения PATH, аналогично тому, как мы это делали для са-
мой команды “python”.

На выходе ошибка:

“zip” �� ���� ����७��� ��� ���譥�
��������, �ᯮ��塞�� �ணࠬ��� ��� ������ 䠩���.
Создание резервной копии НЕ УДАЛОСЬ
Process finished with exit code 0

Пишу на pycharm на win10. Не могу понять, в чем проблема. Сделал всё что написано, но ничего не мопогло. В dos пишет, что команда zip не является внутренней или внешней командой,
исполняемой программой или пакетным файлом. Это значит, что GnuWin32 не видно в виндовс? Или как? Очень нужно найти решение конкретно этого кода, он по книге будет усложняться. Пожалйста помогите!!

Отредактировано FishHook (Июль 23, 2019 11:54:31)

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Проблема с бекапом файлов на примере книги Byte of Python

Добрый вечер, дорогие форумчане, возник вопрос: что я делаю не так?
Переписал код по книге Swaroop’a, установил gnuwin32(на 10 windows), добавил в sys.path(в итоге что с 3,4 строкой, что без них выдает одну и ту же ошибку). По идее должно всё работать, однако программа выдает такой ответ:

C:\python\firstprogr\venv\Scripts\python.exe C:/python/firstprogr/backup_ver1.py
zip command is
zip -r C:\Backup\20190715075441.zip C:\python\firstprogr
running:
«zip» �� ���� ����७��� ��� ���譥�
��������, �ᯮ��塞�� �ணࠬ��� ��� ������ 䠩���.
backup FAILED

Цикл из книги A Byte of Python
Есть простенький пример в данном учебнике, привожу «один в один»: while True: s = input(‘Enter.

Задача из книги A byte of python
def reverse(text): return text def is_palindrome(text): return text == reverse(text) .

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Проблемы с первой задачей из книги »A Byte of Python»
По какой-то причине не работает код из книги »A Byte of Python». Ребзя, можете помочь? Выдаёт.

Задача из книги «A Byte of Python»
Здравствуйте. Возник ряд вопросов по заданию из книги. Вот задание: Наиболее важным.

Библиотека для работы с архивами: zipfile.

Добавлено через 8 минут

Помощь в написании контрольных, курсовых и дипломных работ здесь.

Ошибка в примере из книги
Начинаю изучать с самых азов программирование. Для введения решил прочитать «С# для школьников», но.

Инкапсуляция на примере с книги
Добрый день, я взял пример с книги и прокомментировал моменты которые я не до конца понимаю. Будьте.

Ошибка в примере из книги
В книге «OpenGL Programming Guide 8th Edition — 2013» Есть код cpp, но пару файлов пришлось искать.

Ошибка в примере из книги Рихтера
Пытаясь просмотреть пример из книги Рихтера windows для профессионалом, столкнулся с проблемным.

Ошибка в примере из книги Дейтелов
Создал Windows Form проект в VS 2012, в файл Form1.cs переписал пример из книги Дейтелов «C# в.

Ошибки в примере из книги Щупака
Начал читать книжку Щупака «Win32 Api Эффективная разработка приложений» . Переписал пример его.

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