os.path.atime() The os.path.atime() function returns a date object representing the time of the last access of the file with pathname .
os.path.ctime() The os.path.ctime() function returns a date object representing the time of the last status change to the file with pathname .
os.path.exists() The os.path.exists() function returns a boolean flag indicating whether a file with pathname exists.
os.path.expanduser() The os.path.expanduser() function returns its argument with s indicating home directories expanded.
os.path.filesize() The os.path.filesize() function returns the size, with physical dimensions of bytes, of the file with pathname .
os.path.join(...) The os.path.join(...) function joins a series of strings intelligently into a pathname.
os.path.mtime() The os.path.mtime() function returns a date object representing the time of the last modification of the file with pathname .