> Python's dynamic type system means that, in most cases, you don't have to enumerate the complete set of fields, types, and value constraints that define the d

> Python's dynamic type system means that, in most cases, you don't have to enumerate the complete set of fields, types, and value constraints that define the data as it moves through your system. You can just jam it all in a dict! Heterogeneous values FTW! Then he goes on to complain about working with the data in this way. I don't usually the problems he complains about,because I usually put my data in a relational database essentially "enumerating the complex set of fields" before working with it.