A cool tool for parsing. It is an extension of pyparsing
A cool tool for functional programming. Funtions can be operated directly with definition domain that can be used in type testing
An awesome tool for indexing matrices. propose a new concept “single index” (as in matlab) to index the elements from matrices. exchange python-style index(begin with 0) with matlab-style index(begin with 1)
Subclass of numpy.matrix behaving as matrices in matlab.