Indexable type
An indexable type is a type whose values support selecting elements or subsequences using an integer index or slice.
Python Workout: 50 ten-minute exercises
An indexable type is a type whose values support selecting an element or subsequence by a numeric index or slice.
- How it is used
- Unifies functions across strings, lists, tuples, and other values supporting indexes or slices.
- How deep it goes
- Defines indexing and slicing, explains their reuse, and stops at exercise-level applications rather than implementation internals.
- Examples
- Uses mylist[-3:], even-odd sums, alternating arithmetic, and a partial zip implementation.
- What you can do after
- Apply indexes and slices to write functions that handle multiple compatible data types.
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Python Workout, Second Edition
An indexable type is a type whose values support access by an integer index or a slice.
- How it is used
- Promotes reusable functions that accept strings, lists, tuples, or other indexable values.
- How deep it goes
- Defines indexing and slicing, demonstrates negative slices, and stops short of implementation internals.
- Examples
- Uses final-element slicing, substring access, index-parity sums, alternating arithmetic, and partial zip emulation.
- What you can do after
- Apply it via reusable Python functions that index or slice multiple sequence types.
Read how Python Workout, Second Edition explains indexable type →
Related concepts
- dynamic typingused by · Dynamic typing is a typing discipline in which type information and checks are determined primarily at runtime rather than fixed statically for variables.
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