内置函数是由编程语言提供的，使用它的时候不需要包含其代码。Built-in functions are provided by programming languages, and do not need to contain their code when using them.
内置函数是由编程语言提供的，使用它的时候不需要包含其代码。Built-in functions are provided by programming languages, and do not need to contain their code when using them.
A.正确
B.错误
正确答案：正确