Labels, integer, and mixed indexing

In addition to the standard indexing operator, [], and attribute operator, there are operators provided in pandas to make the job of indexing easier and more convenient. By label indexing, we generally mean indexing by a header name, which tends to be a string value in most cases. These operators are as follows:

• The .loc operator: This allows label-oriented indexing.
• The .iloc operator: This allows integer-based indexing.
• The .ix operator: This allows mixed label and integer-based indexing.

We'll now turn our attention to these operators.

Label-oriented indexing

The .loc operator supports pure label-based indexing. It accepts the following as valid inputs:

• A single label such as...