What is the type of ``df.loc[0]`

The type of `df.loc[0]` depends on what `df` is in a pandas DataFrame context. `loc` is a method used for label-based indexing in pandas. If `df` has a single column with non-index values at index 0, then `df.loc[0]` would return that specific element, and its type would match the data type of that column.

For example, if `df` is a DataFrame with a numeric column, `df.loc[0]` would be a scalar number; if it's a string column, it would be a string; if it's a datetime or categorical column, it would be a datetime or category object.

Without more information about the actual DataFrame structure, we can't provide an exact type. To determine the type, you can use Python's `type()` function:

type(df.loc[0])