![]() ![]() ![]() Please note the two spaces in front of the comment. CommentsĬode with a comment: a = 1 # initialization _spam should not be used again in the code. ![]() Variable name starting with an underscore ( _) are considered as "unuseful`.It can use only letters, numbers, and the underscore ( _) character.In the side-bar menu for the database is a tab for Extensions which lists all of the available extensions. To view the available extensions, select Browser then select a database from the available databases. Many extensions are available in Compose PostgreSQL. You can name a variable anything as long as it obeys the following rules: Extensions are modules that supply extra functions, operators, or types. Note: Avoid + operator for string concatenation. Namespaces are one honking great idea - let's do more of those!įrom Highest to Lowest precedence: OperatorsĮxamples of expressions in the interactive shell: > 2 + 3 * 6 If the implementation is easy to explain, it may be a good idea. If the implementation is hard to explain, it's a bad idea. There should be one- and preferably only one -obvious way to do it.Īlthough that way may not be obvious at first unless you're Dutch.Īlthough never is often better than *right* now. In the face of ambiguity, refuse the temptation to guess. Special cases aren't special enough to break the rules. Long time Pythoneer Tim Peters succinctly channels the BDFL's guiding principles for Python's design into 20 aphorisms, only 19 of which have been written down. ![]()
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