python Function Description

Function Description
dir([obj]) Display attributes of object or the names of global variables if no parameter given
help([obj]) Display object's documentation string in a pretty-printed format or enters interactive help if no parameter given
int(obj) Convert object to an integer
len(obj) Return length of object
open(fn, mode) Open file fn with mode ('r' = read, 'w' = write)
range([[start, ]stop[,step]) Return a list of integers that begin at start up to but not including stop
                            in increments of step; start defaults to 0, and step defaults to 1
raw_input(str) Wait for text input from the user, optional prompt string can be provided
str(obj) Convert object to a string
type(obj) Return type of object (a type object itself!)