<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _xxrange(self, start, end, step_count):
 """Generate n values between start and end."""

        _step = (end - start) / float(step_count)
        return (start + (i * _step) for i in xrange(int(step_count)))