# your code goes here
 
class A1:
	def __init__(self, a, b):
		self.a = a
		self.b = b
		self.c = 10
	def pnt1(self):
		for prop in dir(self):
			if prop.startswith('__') and prop.endswith('__'):
				continue
			if hasattr(self, prop):
				print(prop)
				print(getattr(self, prop))
		print("A1")
 
class A2:
	def __init__(self, a, b):
		self.a = a
		self.b = b
		self.c = 12
		self.d = 34
	def pnt2(self):
		for prop in dir(self):
			if prop.startswith('__') and prop.endswith('__'):
				continue
			if hasattr(self, prop):
				print(prop)
				print(getattr(self, prop))
		print("A2")
 
 
a = A1(5, 6) # a = 5, b= 6, c = 10
b = A2(1, 2) # a = 1, b = 2, c = 12, d = 10
 
def copy_properties(source, target):
    for prop in dir(source):
        if prop.startswith('__') and prop.endswith('__'):
            continue  # Skip built-in properties
        if hasattr(target, prop):
            print('LOL :')
            print(prop)
            setattr(target, prop, getattr(source, prop))
 
    print("CP")
a.pnt1()
b.pnt2()
copy_properties(a, b)
b.pnt2()
# b.pnt1()
print(b.d)
 

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