$ mypython3 -c "help('modules')" Please wait a moment while I gather a list of all available modules... CDROM apt grp selectors DLFCN apt_inst gzip shelve IN apt_pkg hashlib shlex IPython aptdaemon heapq shutil PyQt4 aptsources hmac signal TYPES argparse html simplegeneric __future__ array http sip _ast ast idlelib sipconfig _bisect asynchat imaplib sipconfig_nd4 _bootlocale asyncio imghdr site _bz2 asyncore imp sitecustomize _codecs atexit importlib six _codecs_cn audioop inspect smtpd _codecs_hk autoreload io smtplib _codecs_iso2022 base64 ipaddress sndhdr _codecs_jp bdb itertools socket _codecs_kr binascii json socketserver _codecs_tw binhex keyword spwd _collections bisect lib2to3 spyderlib _collections_abc builtins linecache spyderplugins _compat_pickle bz2 locale sqlite3 _crypt cProfile logging sre_compile _csv cairo lzma sre_constants _ctypes calendar macpath sre_parse _ctypes_test cgi macurl2path ssl _curses cgitb mailbox stat _curses_panel chardet mailcap statistics _datetime chunk marshal storemagic _dbm cmath math string _dbus_bindings cmd mimetypes stringprep _dbus_glib_bindings code mmap struct _decimal codecs modulefinder subprocess _dummy_thread codeop multiprocessing sunau _elementtree collections netrc symbol _functools colorsys nis sympyprinting _hashlib compileall nntplib symtable _heapq concurrent ntpath sys _imp configparser nturl2path sysconfig _io contextlib numbers syslog _json copy octavemagic tabnanny _locale copyreg opcode tarfile _lsprof crypt operator telnetlib _lzma csv optparse tempfile _markupbase ctypes os termios _md5 curses ossaudiodev test _multibytecodec cythonmagic parallelmagic textwrap _multiprocessing datetime parser this _opcode dbm pathlib threading _operator dbus pdb time _osx_support deb822 pickle timeit _pickle debconf pickletools tkinter _posixsubprocess debian pipes token _pyio debian_bundle pkg_resources tokenize _random decimal pkgutil trace _sha1 decorator platform traceback _sha256 defer plistlib tracemalloc _sha512 difflib poplib tty _sitebuiltins dis posix turtle _socket distutils posixpath types _sqlite3 doctest pprint unicodedata _sre dummy_threading profile unittest _ssl email pstats urllib _stat encodings pty uu _string enum pwd uuid _strptime errno py_compile venv _struct faulthandler pyclbr warnings _symtable fcntl pydoc wave _sysconfigdata filecmp pydoc_data weakref _sysconfigdata_m fileinput pyexpat webbrowser _testbuffer fnmatch pygtkcompat wsgiref _testcapi formatter queue xdg _testimportmultiple fpectl quopri xdrlib _thread fractions random xml _threading_local ftplib re xmlrpc _tkinter functools readline xxlimited _tracemalloc gc reprlib xxsubtype _warnings genericpath resource zipfile _weakref getopt rlcompleter zipimport _weakrefset getpass rmagic zlib abc gettext runpy aifc gi sched antigravity glob select Enter any module name to get more help. Or, type "modules spam" to search for modules whose name or summary contain the string "spam".