19 lines
323 B
Python
19 lines
323 B
Python
|
class A:
|
||
|
|
||
|
def __init__(self, v):
|
||
|
self.v = v
|
||
|
|
||
|
def __add__(self, o):
|
||
|
if isinstance(o, A):
|
||
|
return A(self.v + o.v)
|
||
|
return A(self.v + o)
|
||
|
|
||
|
def __radd__(self, o):
|
||
|
return A(self.v + o)
|
||
|
|
||
|
def __repr__(self):
|
||
|
return "A(%s)" % self.v
|
||
|
|
||
|
print(A(3) + 1)
|
||
|
print(2 + A(5))
|