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bpo-38237: Use divmod for positional arguments whatsnew example (GH-19171)

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Ammar Askar 2020-03-27 09:37:43 -07:00 committed by GitHub
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@ -142,12 +142,11 @@ However, these are invalid calls::
One use case for this notation is that it allows pure Python functions One use case for this notation is that it allows pure Python functions
to fully emulate behaviors of existing C coded functions. For example, to fully emulate behaviors of existing C coded functions. For example,
the built-in :func:`pow` function does not accept keyword arguments:: the built-in :func:`divmod` function does not accept keyword arguments::
def pow(x, y, z=None, /): def divmod(a, b, /):
"Emulate the built in pow() function" "Emulate the built in divmod() function"
r = x ** y return (a // b, a % b)
return r if z is None else r%z
Another use case is to preclude keyword arguments when the parameter Another use case is to preclude keyword arguments when the parameter
name is not helpful. For example, the builtin :func:`len` function has name is not helpful. For example, the builtin :func:`len` function has