Python class import another classPython from folder import classPython import function from filePython import rulePython class in classPython import in classPython import meaningPython 36 import from parent directoryPython import class from another fileAttempted relative import with no known parent packagePython private classPython import function from parent folder關於「Python private class」標籤，搜尋引擎有相關的訊息討論：
"Private" (implementation) class in Python - Stack Overflowstackoverflow.com › questions › private-implementation-cl...Python Private Methods Explained | DataCampwww.datacamp.com › Tutorials › PythonClass為甚麼需要Private Attributes？ - iT邦幫忙ithelp.ithome.com.tw › articles3個P's：公開、保護