basically does the same thing, although it is not really obvious to the
user that is not used Einstein's sum convention what this call does,
because the function call says it would perform a 'sum' operation, but
actually only permutes axes.
It was also mentioned that the Zen of Python says
> There should be one-- and preferably only one --obvious way to do it.
and if moveaxis() supports multiple ways to perform its operation,
there could be a cognitive bias if the developer is only used to e.g.
the string arguments and suddenly see the array arguments (or vice
Despite these arguments I think the string arguments makes calls to
moveaxis() much more obvious than integer arguments, especially if ndim
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