Python is the language where in practice this is most untrue - maybe outside C++.
As an example, there are dicts, tuples, classes, NamedTuples, dataclasses, attr.s, Pydantic, and pretty much all of those solve similar problem (hold my data) but have slightly different properties and use cases.
As an example, there are dicts, tuples, classes, NamedTuples, dataclasses, attr.s, Pydantic, and pretty much all of those solve similar problem (hold my data) but have slightly different properties and use cases.