# xarray.core.accessor_str.StringAccessor.swapcase

#### StringAccessor.swapcase()[[source]](https://github.com/pydata/xarray/blob/main/xarray/core/accessor_str.py#L748-L769)

Convert strings in the array to be swapcased.

* **Returns:**
  **swapcased** (`same type as values`)

### Examples

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```pycon
>>> import xarray as xr
>>> da = xr.DataArray(["temperature", "PRESSURE", "HuMiDiTy"], dims="x")
>>> da
<xarray.DataArray (x: 3)> Size: 132B
array(['temperature', 'PRESSURE', 'HuMiDiTy'], dtype='<U11')
Dimensions without coordinates: x
>>> swapcased = da.str.swapcase()
>>> swapcased
<xarray.DataArray (x: 3)> Size: 132B
array(['TEMPERATURE', 'pressure', 'hUmIdItY'], dtype='<U11')
Dimensions without coordinates: x
```

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