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Added example in digits function to showcase that the sum of digits can be computed #39665

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Added example in digits function to showcase that the sum of digits can be computed #39665

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13 changes: 13 additions & 0 deletions src/sage/rings/integer.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -1421,6 +1421,19 @@ cdef class Integer(sage.structure.element.EuclideanDomainElement):
sage: (-12).digits(2)
[0, 0, -1, -1]

We can sum the digits of an integer in any base::

sage: sum(14.digits())
5
sage: sum(14.digits(base=2))
3
sage: sum(13408967.digits())
38
sage: sum(13408967.digits(base=7))
29
sage: sum(13408967.digits(base=1111))
1277

We support large bases.

::
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