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Python Installation#

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import os
from IPython.core.display import HTML
def load_style(directory = '../', name='customMac.css'):
        styles = open(os.path.join(directory, name), 'r').read()
        return HTML(styles)
load_style()

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Introduction#

Python is a modern, robust, high level programming language. It is very easy to pick up even if you are completely new to programming.

Installation#

Mac OS X and Linux comes pre installed with python. Windows users can download python from https://www.python.org/downloads/ .

To install IPython run,

$ pip install ipython[all]

This will install all the necessary dependencies for the notebook, qtconsole, tests etc.

Installation from unofficial distributions#

Installing all the necessary libraries might prove troublesome. Anaconda and Canopy comes pre packaged with all the necessary python libraries and also IPython.

Anaconda#

  • Download Anaconda from https://www.anaconda.com/distribution/

  • Anaconda is completely free and includes more than 300 python packages. Both python 2.7 and 3.7 options are available.

  • Anaconda provides excellent binding of packages and their use. Usually I recommend to use virtual environment for any kind of project.

  • A virtual environment can be created from the terminal using the command

  • conda create -n yourenvname python=x.x anaconda

  • Note: I personally recommend python 3.6.

  • Example: conda create -n myPy36 python=3.6 anaconda

  • It creates a virtual environment by name myPy36 through anaconda where python 3.6 will be installed along with many basic packages (numpy, scipy, scikit-learn, scikit-image, Pillow, Panda, jupyter, spyder, etc.).

  • Activate virtual environment: conda activate myPy36

  • Start jupyter-notebook from the terminal: jupyter notebook

Canopy#

Download Canopy from https://assets.enthought.com/downloads/

Canopy has a premium version which offers 300+ python packages. But the free version works just fine. Canopy supports python 2.7 and 3.6; however, it comes with its own text editor and IPython environment.

Launching IPython Notebook#

From the terminal

ipython-notebook

In Canopy and Anaconda, Open the respective terminals and execute the above.

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