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The standard type hierarchy of Python 3. In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible values, a set of allowed operations on these values, and/or a representation of these values as machine types. [1] A data type specification in a program constrains the possible values that an ...
More generally, primitive data types may refer to the standard data types built into a programming language (built-in types). [3] [4] Data types which are not primitive are referred to as derived or composite. [3] Primitive types are almost always value types, but composite types may also be value types. [5]
In computer programming, especially functional programming and type theory, an algebraic data type (ADT) is a kind of composite data type, i.e., a data type formed by combining other types.. Two common classes of algebraic types are product types (i.e., tuples, and records) and sum types (i.e., tagged or disjoint unions, coproduct types or variant types). [1]
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