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Learning pandas - Second Edition by Michael Heydt

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Lookup by label using the [] operator and the .ix[] property

An implicit label lookup is performed using the [] operator. This operator normally looks up values based upon the given index labels.

Let's start by using the following Series:

A single value can be looked up using just the index label of the desired item:

Multiple items can be retrieved at once using a list of index labels:

We can also look up values using integers that represent ...

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