issues: 1051241489

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
1051241489 I_kwDOAMm_X84-qKwR 5976 Should str.format() work on xarray scalars? 10050469 closed 0     3 2021-11-11T18:15:59Z 2022-07-25T20:01:29Z 2022-07-25T20:01:29Z MEMBER      

Consider:

python da = xr.DataArray([1, 2, 3]) print(f'{da[0]}') print(f'{da[0]:d}')

Which outputs:

``` <xarray.DataArray ()> array(1)

TypeError Traceback (most recent call last) <ipython-input-36-9cd7dc76455b> in <module> 1 da = xr.DataArray([1, 2, 3]) 2 print(f'{da[0]}') ----> 3 print(f'{da[0]:d}')

TypeError: unsupported format string passed to DataArray.format ``` And the numpy equivalent:

python da = xr.DataArray([1, 2, 3]).data print(f'{da[0]}') print(f'{da[0]:d}') 1 1

I always found the xarray scalar output to be a bit unfriendly for beginners. In my classes very often scalars are the last output of a computation, and the fact that we can't format the relatively verbose xarray output without resulting to the .data trick is a bit confusing for students (but I agree this is a detail).

Is there a way to get print(f'{da[0]:d}') to work? Thoughts? 

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