Mutability of built-in Pyton data types
| Type | Description | Immutable |
| bool | Boolean value | Yes |
| int | integer | Yes |
| float | floating point number | Yes |
| list | mutable sequence of objects | No |
| tuple | immutable sequence of objects | Yes |
| str | Character string | Yes |
| set | unordered set of distinct objects | No |
| frozenset | immutable variant of set | Yes |
| dict | associative key value mapping | No |