डिक्लेरेशन func Sub(target string, startIndex int, length int) string go पैरामीटर्स इनपुट नाम टाइप विवरण Target String Target string Start Index Int The position where the interception starts. The string position is calculated from 0 Length Int The interception length, by default, is intercepted to the end of the string वापस टाइप विवरण String The intercepted string