Update on December 8, 2015.   An updated version of this post is available at Python Is Not C: Take Two .   I have been using Python a lot lately, for various data science projects.  Python is known for its ease of use.  Someone with coding experience can use it effectively in few days. This sounds good but there may be an issue if you program in Python as you would in another language, say C. Let me give an example based on my own experience.  I have a strong background with imperative languages like C and C++.  I also have substantial experience with oldies but goodies like Lisp and Prolog.  I also used...