<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_range_string(self):
 """Another string representation of the junction. these may be redundant."""

    return self.left.chr+":"+str(self.left.end)+'/'+self.right.chr+":"+str(self.right.start)