line = line[:len(line)-n]
for i:=0;i<len(line);i++{// ...=line[i]}for index,value:=range line {//...}
found := falseLABEL:for row := range arr {for colum := range arr[row]{if arr[row][colum]==V {found = truebreak LABEL}}}
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`单行代码`
line = line[:len(line)-n]
for i:=0;i<len(line);i++{// ...=line[i]}for index,value:=range line {//...}
found := falseLABEL:for row := range arr {for colum := range arr[row]{if arr[row][colum]==V {found = truebreak LABEL}}}