Installing Python3

This tutorial focuses on Python 3. Most Linux distribution for e.g Ubuntu 14.04 comes with python 2 and 3 installed, here is the download link

Note: Throughout this tutorial i will give instructions wherever necessary for Windows
and Ubuntu 14.04 only.

Installing Python 3 in Windows

To install python you need to download python binary from https://www.python.org/downloads/, specifically we will be using python 3.4.3 which you can download from here .  While installing remember to check “Add Python.exe to path” (see the image below).
 

 Now you have installed python, open command prompt or terminal and type python . Now you are in python shell.

To test everything is working fine type the following command in the python shell.
1
print("Hello World")

Expected output:
If you are using Ubuntu 14.04 which already comes with python 2 and python 3, you need to enter python3 instead of just python to enter python 3 shell.



Installing Text Editor

To write python programs you will need a text editor, you can use text editor like notepad. If you want to use full-fledged text editor then use notepad++  or sublime text. Download and install text editor of you choice.
Now you have successfully installed python 3 and text editor and ready to move on to the next chapter, where we will learn different ways of running python programs.

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