python 标准模块和第三方模块
>>> help('modules') Please wait a moment while I gather a list of all available modules... AppiumLibrary _weakref isapi soupsieve AutoComplete _weakrefset iteminfo specimporter AutoCompleteWindow _win32sysloader itertools sqlite3 AutoExpand _winreg iterutils sre AutoItLibrary _winxptheme json sre_compile BaseHTTPServer abc keybindingDialog sre_constants Bastion aboutDialog keyword sre_parse Bindings adodbapi keywords ssl CGIHTTPServer afxres kitchen sspi CallTipWindow aifc lib2to3 sspicon CallTips antigravity librarydatabase stat Canvas anydbm libraryfetcher statvfs ClassBrowser appium librarymanager string CodeContext argparse linecache stringold ColorDelegator array locale stringprep ConfigParser ast locators strop Cookie asynchat logging struct DatabaseLibrary asyncore lxml subprocess Debugger atexit macosxSupport sunau Delegator atomicwrites macpath sunaudio Dialog attr macurl2path symbol DocXMLRPCServer audiodev mailbox symtable EditorWindow audioop mailcap sys FileDialog backports markupbase sysconfig FileList base marshal tabbedpages FixTk base64 math tabnanny FormatParagraph bdb md5 tarfile GrepDialog binascii mhlib telnetlib HTMLParser binhex mimetools tempfile HTMLTestRunner bisect mimetypes test HTMLTestRunnerbeifen bs4 mimify text HyperParser bsddb mmap textView IOBinding bz2 mmapfile text_unidecode IPy cPickle mmsystem textwrap IdleHistory cProfile modulefinder this MimeWriter cStringIO more_itertools thread MultiCall calendar msilib threading MultiStatusBar certifi msvcrt time MyQR cgi multifile timeit MySQLdb cgitb multiprocessing timer ObjectBrowser chardet mutex tkColorChooser OutputWindow chunk netbios tkCommonDialog PIL cmath netrc tkFileDialog ParenMatch cmd new tkFont PathBrowser code nntplib tkMessageBox Percolator codecs nt tkSimpleDialog PyParse codeop ntpath toaiff PyShell collections ntsecuritycon token Queue colorama nturl2path tokenize RemoteDebugger colorsys numbers trace RemoteObjectBrowser commands numpy traceback ReplaceDialog commctrl odbc ttk RstripExtension compileall opcode tty ScriptBinding compiler operator turtle ScrolledList concurrent optparse types ScrolledText configDialog os uiautomation SearchDialog configHandler os2emxpath unicodedata SearchDialogBase configHelpSourceEdit parse unittest SearchEngine configSectionNameDialog parser urllib Selenium2Library contextlib pathlib2 urllib2 SeleniumLibrary cookielib pdb urllib3 SendKeys copy perfmon urlparse SimpleDialog copy_reg pickle user SimpleHTTPServer coverage pickletools utils SimpleXMLRPCServer cssselect pip uu SocketServer csv pipes uuid StackViewer ctypes pkg_resources versioning StringIO curses pkgutil warnings Tix datetime platform wave Tkconstants dateutil plistlib weakref Tkdnd dbhash pluggy webbrowser Tkinter dbi popen2 whichdb ToolTip dde poplib win2kras TreeWidget ddt posixfile win32api UndoDelegator decimal posixpath win32clipboard UserDict decorator pprint win32com UserList difflib profile win32con UserString dircache pstats win32console WidgetRedirector dis pty win32cred WindowList distutils py win32crypt Xlib doctest py_compile win32cryptcon ZoomHeight docutils pyclbr win32event _LWPCookieJar dumbdbm pycompat24 win32evtlog _MozillaCookieJar dummy_thread pycompat25 win32evtlogutil __builtin__ dummy_threading pycompat27 win32file __future__ dynOptionMenuWidget pydoc win32gui _abcoll easy_install pydoc_data win32gui_struct _ast email pyexpat win32help _bisect encodings pykeyboard win32inet _bsddb ensurepip pymouse win32inetcon _codecs enum pymysql win32job _codecs_cn errno pyquery win32lz _codecs_hk exceptions pytesseract win32net _codecs_iso2022 fake_useragent pytest win32netcon _codecs_jp faker pythoncom win32pdh _codecs_kr filecmp pywin win32pdhquery _codecs_tw fileinput pywin32_testutil win32pdhutil _collections fnmatch pywintypes win32pipe _csv formatter qtpy win32print _ctypes fpformat quopri win32process _ctypes_test fractions random win32profile _elementtree ftplib rasutil win32ras _functools funcsigs re win32rcparser _hashlib functools redis win32security _heapq future_builtins regcheck win32service _hotshot gc regutil win32serviceutil _io genericpath repr win32timezone _json getopt requests win32trace _locale getpass requests_html win32traceutil _lsprof gettext rexec win32transaction _md5 glob rfc822 win32ts _msi gzip rlcompleter win32ui _multibytecodec hashlib robot win32uiole _multiprocessing heapq robotide win32verstamp _mysql help robotparser win32wnet _mysql_exceptions hmac rpc winerror _osx_support hotshot run winioctlcon _pyio htmlentitydefs runpy winnt _pytest htmllib scandir winperf _random httplib sched winsound _scandir i18n select winxpgui _sendkeys idle selenium winxptheme _sha idle_test servicemanager wsgiref _sha256 idlelib sets wx _sha512 idlever setuptools wxPython _socket idna sgmllib wxversion _sqlite3 ihooks sha xdrlib _sre imageio shelve xlrd _ssl imageop shlex xlwt _strptime imaplib shutil xml _struct imghdr signal xmllib _subprocess imp site xmlreaders _symtable importlib six xmlrpclib _testcapi imputil smtpd xxsubtype _threading_local inspect smtplib zipfile _tkinter io sndhdr zipimport _warnings ipaddress socket zlib