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Prefixing the string with'r'makes the string literal a'raw string'. Python raw string treats backslash (\) as a literal character, which makes it useful when we want to have a string that contains backslash and don’t want it to be treated as an escape character. ...
What does an 'r' represent before a string in python? [duplicate] r means the string will be treated as raw string. Fromhere: When an 'r' or 'R' prefix is present, a character following a backslash is included in the string without change, and all backslashes are left in the string...
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The default error handler for stderr continues to be backslashreplace, regardless of locale. Locale coercion is silent by default, but to assist in debugging potentially locale related integration problems, explicit warnings (emitted directly on stderr) can be requested by setting PYTHONCOERCECLOCALE...
Just as for function annotations, the Python interpreter does not attach any particular meaning to variable annotations and only stores them in the __annotations__ attribute of a class or module. In contrast to variable declarations in statically typed languages, the goal of annotation syntax is ...
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How did Python find 5 in a dictionary containing 5.0? Python does this in constant time without having to scan through every item by using hash functions. When Python looks up a key foo in a dict, it first computes hash(foo) (which runs in constant-time). Since in Python it is requir...