Having covered creating various types of pandas indexes, let's now examine several common patterns of use for these indexes. Specifically, we will examine:

• Creating and using an index with a Series or DataFrame
• Means of selecting values with an index
• Moving data to and from the index
• Reindexing a pandas object

Indexes can either be created explicitly or you can let pandas create them implicitly. Explicit creation takes place when you assign the index using the index parameter of a constructor.

The following code demonstrates by first creating a DatetimeIndex independently.

You can use this index on its own or associate it with a Series or DataFrame...