http://www.linux.com/feature/150399
Interesting article with one minor incompleteness.
"For instance, the print statement got turned into a print function; you
must now put parentheses around what you want to print to the screen.
The change allows developers to work with print in a more flexible and
uniform way. If someone needs to replace the print function with some
other action, it can be done with a universal search and replace, rather
than rewriting each print statement by hand."
Even easier, print as a function can be replaced simply by defining a
new version with the same name. No search/replace is needed. And
reversion to the built-in only requires commenting out the replacement.
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