Se sabe que un docente quiere redondear una nota si ingresa 12.5 se debe redondear a favor del estudiante. Del mismo modo solo se debe ingresar notas entre 0 a 20. Desarrollar un algoritmo que me permita solucionar el problema del docente.

if(nota >= 0 && nota <= 20){
  if((nota + 0.5) % 1 == 0){
    nota = nota + 0.5;
  }
}

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