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  • 3. Data model — Python 3. 13. 5 documentation
    Data model¶ 3 1 Objects, values and types¶ Objects are Python’s abstraction for data All data in a Python program is represented by objects or by relations between objects (In a sense, and in conformance to Von Neumann’s model of a “stored program computer”, code is also represented by objects )
  • dataclasses — Data Classes — Python 3. 13. 5 documentation
    Python stores default member variable values in class attributes Consider this example, not using dataclasses: class C : x = [] def add ( self , element ): self x append ( element ) o1 = C () o2 = C () o1 add ( 1 ) o2 add ( 2 ) assert o1 x == [ 1 , 2 ] assert o1 x is o2 x
  • The Python Language Reference — Python 3. 15. 0a0 documentation
    The Python Language Reference¶ This reference manual describes the syntax and “core semantics” of the language It is terse, but attempts to be exact and complete
  • xml. dom — The Document Object Model API - Python
    The DOM is a standard tree representation for XML data The Document Object Model is being defined by the W3C in stages, or “levels” in their terminology The Python mapping of the API is substantially based on the DOM Level 2 recommendation
  • What’s New In Python 3. 12
    Python data model improvements: PEP 688, using the buffer protocol from Python Significant improvements in the standard library: The pathlib Path class now supports subclassing The os module received several improvements for Windows support A command-line interface has been added to the sqlite3 module
  • datetime — Tipos básicos de data e hora — Documentação Python 3. 13. 5
    O objeto date representa uma data (ano, mês e dia) em um calendário idealizado, o atual calendário Gregoriano estendido indefinidamente em ambas as direções 1º de janeiro do ano 1 é chamado de dia número 1, 2º de janeiro do ano 1 é chamado de dia número 2, e assim por diante
  • 6. Expressions — Python 3. 13. 5 documentation
    Python supports string and bytes literals and various numeric literals: literal::= stringliteral | bytesliteral | integer | floatnumber | imagnumber Evaluation of a literal yields an object of the given type (string, bytes, integer, floating-point number, complex number) with the given value


















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