a = b"bad \\ string foo \' \" \a \b \c \f \n \r \t \v \5 \55 \555 \05 \005" def foo(a=1): pass a : source.python : source.python = : keyword.operator.assignment.python, source.python : source.python b : source.python, storage.type.string.python, string.quoted.binary.single.python " : punctuation.definition.string.begin.python, source.python, string.quoted.binary.single.python bad : source.python, string.quoted.binary.single.python \\ : constant.character.escape.python, source.python, string.quoted.binary.single.python string : source.python, string.quoted.binary.single.python : invalid.illegal.newline.python, source.python, string.quoted.binary.single.python foo : source.python : source.python \ : punctuation.separator.continuation.line.python, source.python ' \" \a \b \c \f \n \r \t \v \5 \55 \555 \05 \005" : invalid.illegal.line.continuation.python, source.python : source.python def : meta.function.python, source.python, storage.type.function.python : meta.function.python, source.python foo : entity.name.function.python, meta.function.python, source.python ( : meta.function.parameters.python, meta.function.python, punctuation.definition.parameters.begin.python, source.python a : meta.function.parameters.python, meta.function.python, source.python, variable.parameter.function.language.python = : keyword.operator.python, meta.function.parameters.python, meta.function.python, source.python 1 : constant.numeric.dec.python, meta.function.parameters.python, meta.function.python, source.python ) : meta.function.parameters.python, meta.function.python, punctuation.definition.parameters.end.python, source.python : : meta.function.python, punctuation.section.function.begin.python, source.python : source.python pass : keyword.control.flow.python, source.python