all classes from module - entire module module into module - multiple classes - single class - inheritance - attributes and methods - __init__(method - instances as attributes - overriding methods in python super(function methods calling __init()__ modeling real-world objects - multiple instancescreating styling guidelines - colormap_colors py colors hex format pygal themes comma-separated value files see csv (comma-separated valuefiles comment py comments - comparison operators - concatenation operator (+) - conditional tests - confirmed_users py counting py countries py country codes - country_codes py csv (comma-separated valuefiles - error-checking parsing headers reading data databases see djangodatabasesherokudatabases data mining data visualization - see also matplotlibpygal datetime module - death valleyweather data - debugging tips - decorators default values class attributes function parameters def keyword del statement dice_visual py - dictionaries defining empty formatting larger key-value pairs adding removing looping through keys - keys in order - key-value pairs - values - values accessing modifying - die class die py die_visual py - dimensions py - div (html) division (/) division py - django see also herokulearning log project admin site - bootstrap current working directory index