Python

The official website for Python, where you can download the interpreter (Python 3): https://www.python.org/

Official documentation for Python: https://docs.python.org/3/

Web service that allows you to execute Python programs directly in your browser: https://trinket.io/python/41462f0f16

A framework for writing programs PyCharm Educational Edition or PyCharm Community Edition:
https://www.jetbrains.com/pycharm-educational/
https://www.jetbrains.com/pycharm/

A text editor with syntax highlighting programs Sublime Text 3: http://www.sublimetext.com/3

Interactive tutorial language Python (in Russian): http://pythontutor.ru/

The book A Byte of Python: http://www.swaroopch.com/notes/python/
and its translation into Russian: http://wombat.org.ua/AByteOfPython/