<gh_stars>0
# A simple Python function to demonstrate 
# Polymorphism 

def add(x, y, z = 0): 
	return x + y+z 

# Driver code 
print(add(2, 3)) 
print(add(2, 3, 4))
# A simple Python function to demonstrate 
# Polymorphism 

def add(x, y, z = 0): 
	return x + y+z 

# Driver code 
print(add(2, 3)) 
print(add(2, 3, 4))
# A simple Python function to demonstrate # Polymorphism # Driver code