# def myfunc():
# 	print('Hello World')

# myfunc()

def check(func):
	def inside(a, b):
		if b == 0:
			print("Can't divide by 0")
			return
		return func(a, b)
	return inside

@check
def div(a, b):
	return a / b

# div = check(div)

print(div(10, 0))