Variable unpacking
Unpacking variables are probably most used for functions that return multiple variables, such as in the example below.
But it is also useful for data types that contain multiple items. The only important notion here is that, if not otherwise defined, variable unpacking results in tuples .
The _ operator is an unnamed variable , essentially a variable that you’re not interested in and won’t be doing anything with, for instance in the following case:
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Understanding machine learning models
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How Google uses logic in machine learning
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