Tutorial by Topics: ipa

pip is the most widely-used package manager for the Python Package Index, installed by default with recent versions of Python.

UIPageViewController provides users the ability to easily transition between several views by using a swipe gesture. In order to create a UIPageViewController, you must implement the UIPageViewControllerDataSource methods. These include methods to return both the UIPageViewController before and after the current UIPageViewController along with the presentationCount and presentationIndex methods.

Sometimes you may need to use pip package manager inside python eg. when some imports may raise ImportError and you want to handle the exception. If you unpack on Windows Python_root/Scripts/pip.exeinside is stored __main__.py file, where main class from pip package is imported. This means pip package is used whenever you use pip executable. For usage of pip as executable see: pip: PyPI Package Manager

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