<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def find_column(self, t):
 """ Returns token position in current text, starting from 1 """

        cr = max(self.text.rfind(l, 0, t.lexpos) for l in self.line_terminators)
        if cr == -1:
            return t.lexpos + 1
        return t.lexpos - cr