environment/lib/python2.7/site-packages/IPython/core/history.py
def _get_range_session(self, start=1, stop=None, raw=True, output=False):
        """Get input and output history from the current session. Called by
        get_range, and takes similar parameters."""
        input_hist = self.input_hist_raw if raw else self.input_hist_parsed
            
        n = len(input_hist)
        if start < 0:
            start += n
        if not stop or (stop > n):
            stop = n
        elif stop < 0:
            stop += n
        
        for i in range(start, stop):
            if output:
                line = (input_hist[i], self.output_hist_reprs.get(i))
            else:
                line = input_hist[i]
            yield (0, i, line)
def _get_range_session(self, start=1, stop=None, raw=True, output=False):
        """Get input and output history from the current session. Called by
        get_range, and takes similar parameters."""
        input_hist = self.input_hist_raw if raw else self.input_hist_parsed
            
        n = len(input_hist)
        if start < 0:
            start += n
        if not stop or (stop > n):
            stop = n
        elif stop < 0:
            stop += n
        
        for i in range(start, stop):
            if output:
                line = (input_hist[i], self.output_hist_reprs.get(i))
            else:
                line = input_hist[i]
            yield (0, i, line)
Get input and output history from the current session. Called by
        get_range, and takes similar parameters.