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It’s Free
Python is completely free to use and distribute. As with other open source software, such as Tcl, Perl, Linux, and Apache, you can fetch the entire Python system’s source code for free on the Internet. There are no restrictions on copying it, embedding it in your systems, or shipping it with your products. In fact, you can even sell Python’s source code, if you are so inclined.
But don’t get the wrong idea: “free” doesn’t mean “unsupported.” On the contrary, the Python online community responds to user queries with a speed that most commercial software help desks would do well to try to emulate. Moreover, because Python comes with complete source code, it empowers developers, leading to the creation of a large team of implementation experts. Although studying or changing a programming language’s implementation isn’t everyone’s idea of fun, it’s comforting to know that you can do so if you need to. You’re not dependent on the whims of a commercial vendor; the ultimate documentation source is at your disposal.
As mentioned earlier, Python development is performed by a community that largely coordinates its efforts over the Internet. It consists of Python’s creator—Guido van Rossum, the officially anointed Benevolent Dictator for Life (BDFL) of Python—plus a supporting cast of thousands. Language changes must follow a formal enhancement procedure and be scrutinized by both other developers and the BDFL. Happily, this tends to make Python more conservative with changes than some other languages.
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