Python columnist Evelyn Mitchell brings you a quick reference and learning tools for newbies who want to get to know the language. Components Security Unicode Usability Web arch. You can also run Python programs from a file.
Identifiers are case sensitive.
It lets you work with a portion of the list. They are usually used as keys into dictionaries. Lists and dictionaries cannot be used as keys. For is used to iterate over the members of a sequence. Start is assumed to be 0 and step is assumed to be 1.