Python is a great tool. One of the best things about it, as anyone who’s used it will tell you, is the vast collection of useful libraries.

The mathematics libraries include a bewildering array of functions, but they were missing two important ones: the Champernowne constant, and the  Copeland-Erdős constant. So I did my bit for the community and wrote two modules to output these numbers to any desired digit.

David Gawen Champernowne (1912-2000)

Paul Erdős (1913-1996)

Arthur Herbert Copeland (1898-1970)

The modules are included in a package called idmaths, which is available on Github.

Here’s some sample code.

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