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2.3 Identifiers and keywords

Identifiers (also referred to as names) are described by the following lexical definitions:

identifier:     (letter|"_") (letter|digit|"_")*
letter:         lowercase | uppercase
lowercase:      "a"..."z"
uppercase:      "A"..."Z"
digit:          "0"..."9"

Identifiers are unlimited in length. Case is significant.

• 2.3.1 Keywords
• 2.3.2 Reserved classes of identifiers

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Manual de referencia de Python

Anterior: 2.2 Other tokens Niv. superior: 2. Lexical analysis Siguiente: 2.3.1 Keywords