<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _realToVisibleColumn(self, text, realColumn):
 """If \t is used, real position of symbol in block and visible position differs This function converts real to visible """

        generator = self._visibleCharPositionGenerator(text)
        for i in range(realColumn):
            val = next(generator)
        val = next(generator)
        return val