题解 | #截取字符串#
截取字符串
https://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
package main import ( "fmt" ) func main() { var str string var k int fmt.Scan(&str) fmt.Scan(&k) if k > len(str) { fmt.Println("输入的k超过了字符串长度") } else { subStr := str[:k] fmt.Println(subStr) } }