code: def getString(self, idx):
          
          if idx in self._cache:
              return self._cache[idx]
  
          if idx < 0 or not self.m_stringOffsets or idx > self.stringCount:
              return ""
  
          offset = self.m_stringOffsets[idx]
  
          if self.m_isUTF8:
              self._cache[idx] = self._decode8(offset)
          else:
              self._cache[idx] = self._decode16(offset)
  
          return self._cache[idx]
docs: Return the string at the index in the string table
  
          :param idx: index in the string table
          :return: str