〖十月狐狸〗

摘要： 英文文档： class float([x]) Return a floating point number constructed from a number or string x. If the argument is a string, it should contain a decimal 阅读全文

摘要： 英文文档： filter(function, iterable) Construct an iterator from those elements of iterable for which function returns true. iterable may be either a seque 阅读全文