摘要：
原英文帮助文档： input([prompt]) If the prompt argument is present, it is written to standard output without a trailing newline. The function then reads a lin 阅读全文
摘要：
原英文帮助文档： help([object]) Invoke the built-in help system. (This function is intended for interactive use.) If no argument is given, the interactive hel 阅读全文
摘要：
原英文帮助文档： dir([object]) Without arguments, return the list of names in the current local scope. With an argument, attempt to return a list of valid att 阅读全文