> everything in Python is a dictionary This is new to me, but probably will be useful. Everything in R is a vector (or if you like, array). This is what makes

> everything in Python is a dictionary This is new to me, but probably will be useful. Everything in R is a vector (or if you like, array). This is what makes R fast if your objective is not program development, but dissemination of information. I wonder what should be said of Perl, but the only thing I can think of is every input should rather be a string.