Explanation:
In the new style of type hinting introduced in pandas API on Spark, Series names are specified directly within the return type annotation, using a concise format. For example, -> pd.Series[str, int] denotes a single Series with name 'str' and type int. This method enhances readability, type safety, and potential performance optimizations. It's a departure from traditional pandas type hinting where Series names were often specified within a dictionary. Note that this new style is experimental and may evolve in future releases.
How are Series names specified in the return type when using the new style of type hinting in pandas API on Spark?
A
As a dictionary.
B
Series names are not specified in the return type
C
As a string, followed by the type.
D
As a list of strings.
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