package main
import (
"fmt"
"strings"
"unicode"
)
func f877(input string) {
for l, s := range strings.Split(input,"\n") {
for i, c := range s {
if !unicode.IsSpace(c) {
fmt.Printf("[%c, %d, %d]\n", c, i, l)
}
}
}
}
func main(){
f877("a b c\n\nd")
}
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