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- str[i]
- []rune
- package main
- import(
- "fmt"
- )
- func subStr(str string, beg int, end int)string {
- var res string
- for i := beg-1; i < end+1; i++ {
- res = string(res + string(str[i]))
- }
- return res
- }
- func main() {
- fmt.Println("Testing functionn")
- str := "añadir algo con letras extrañas aquí"
- fmt.Println(str)
- substr := subStr(str, 1, 4)
- fmt.Println(substr)
- }
- Testing function
- añadir algo con letras extrañas aquí
- añad
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