This will help
In a terminal or IPython, type:
help('modules')
then
In [1]: import #import press-TABDisplay all 631 possibilities? (y or n)ANSI audiodev markupbaseAptUrl audioop markupsafeArgImagePlugin avahi marshalBaseHTTPServer axi mathBastion base64 md5BdfFontFile bdb mhlibBmpImagePlugin binascii mimetoolsBufrStubImagePlugin binhex mimetypesCDDB bisect mimifyCDROM bonobo mmapCGIHTTPServer brlapi mmkeysCanvas bsddb modulefinderCommandNotFound butterfly multifileConfigParser bz2 multiprocessingContainerIO cPickle musicbrainz2Cookie cProfile mutagenCrypto cStringIO mutexCurImagePlugin cairo mxDLFCN calendar netrcDcxImagePlugin cdrom newDialog cgi nisDiscID cgitb nntplibDistUpgrade checkbox ntpath