This is a basic matplotlib tutorial created for folks new to python and its powerful visualization library matplotlib.

Comprehensive Matplotlib info - http://matplotlib.org/contents.html

Other Libraries -

• ggplot (http://ggplot.yhathq.com/)
• seaborn (https://stanford.edu/~mwaskom/software/seaborn/)

Where to find help -

• Explore the matplotlib gallery/documentation
• Google, more precisely stack overflow

Interesting articles about plotting (not necessarily for python) -

• http://blog.scottlogic.com/2011/09/23/a-critique-of-radar-charts.html
• http://www.cerebralmastication.com/2009/02/box-plot-vs-violin-plot-in-r/
• http://io9.gizmodo.com/these-simple-tips-will-make-your-science-visualizations-1633922235