❶ python，如何在shell下查看一个模块有哪些方法
如：
>>>importos
>>>dir(os)
['F_OK','O_APPEND','O_BINARY','O_CREAT','O_EXCL','O_NOINHERIT','O_RANDOM','O_RDONLY','O_RDWR','O_SEQUENTIAL','O_SHORT_LIVED','O_TEMPORARY','O_TEXT','O_TRUN
OWAIT','P_NOWAITO','P_OVERLAY','P_WAIT','R_OK','SEEK_CUR','SEEK_END','SEEK_SET','TMP_MAX','UserDict','W_OK','X_OK','_Environ','__all__','__builtins__','_
'__package__','__reg','_execvpe','_exists','_exit','_get_exports_list','_make_stat_result','_make_statvfs_result','_pickle_stat_result','_pickle_statvfs_r
ep','chdir','chmod','close','closerange','curdir','defpath','devnull','p','p2','environ','errno','error','execl','execle','execlp','execlpe','execv
,'extsep','fdopen','fstat','fsync','getcwd','getcw','getenv','getpid','isatty','kill','linesep','listdir','lseek','lstat','makedirs','mkdir','name',
ep','pipe','popen','popen2','popen3','popen4','putenv','read','remove','removedirs','rename','renames','rmdir','sep','spawnl','spawnle','spawnv','spawn
float_times','stat_result','statvfs_result','strerror','sys','system','tempnam','times','tmpfile','tmpnam','umask','unlink','unsetenv','urandom','utime',
>>>