Answer:
Here the code is given as follows,
Step-by-step explanation:
class Example:
 def _init_(self, val):
 self.val = val
 def _gt_(self, other):
 return self.val > other.val
 def _sub_(self,other):
 return abs(len(self.val) - len(other.val))
def main():
 obj1 = Example('this is a string')
 obj2 = Example('this is another one')
 print(obj1 > obj2)
 print(obj1 - obj2)
main()
Output:-