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  2. Python (programming language) - Wikipedia

    en.wikipedia.org/wiki/Python_(programming_language)

    Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. [32] Python is dynamically type-checked and garbage-collected. It supports multiple programming paradigms, including structured (particularly procedural), object-oriented and functional ...

  3. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    The following byte is either 55 (U) for single-page or 4D (M) for multi-page documents. 30 82: 0‚ 0 der DER encoded X.509 certificate 2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 2D 2D 2D 2D 2D-----BEGIN CERTIFICATE-----0 crt pem PEM encoded X.509 certificate

  4. Block letters - Wikipedia

    en.wikipedia.org/wiki/Block_letters

    Block letters may also be used as to refer to block capitals, which means writing in all capital letters or in large and small capital letters, imitating the style of typeset capital letters. [2] However, in at least one court case involving patents , the term "block letters" was found to include both upper and lower case .

  5. Bacon's cipher - Wikipedia

    en.wikipedia.org/wiki/Bacon's_cipher

    Then each letter of the false message must be presented in the appropriate typeface, according to whether it stands for an A or a B. [4] To decode the message, the reverse method is applied. Each "typeface 1" letter in the false message is replaced with an A and each "typeface 2" letter is replaced with a B. The Baconian alphabet is then used ...

  6. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})

  7. Hill cipher - Wikipedia

    en.wikipedia.org/wiki/Hill_cipher

    Hill's cipher machine, from figure 4 of the patent. In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra.Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was practical (though barely) to operate on more than three symbols at once.

  8. Off-side rule - Wikipedia

    en.wikipedia.org/wiki/Off-side_rule

    This allows the block opener ({or BEGIN) to be skipped for all but the function level block, requiring only a block terminating token (} or END). It also fixes dangling else . Custom is for the end token to be placed on the same indent level as the rest of the block, giving a blockstructure that is very readable.

  9. reStructuredText - Wikipedia

    en.wikipedia.org/wiki/ReStructuredText

    reStructuredText (RST, ReST, or reST) is a file format for textual data used primarily in the Python programming language community for technical documentation.. It is part of the Docutils project of the Python Doc-SIG (Documentation Special Interest Group), aimed at creating a set of tools for Python similar to Javadoc for Java or Plain Old Documentation (POD) for Perl.