class aa:

    def a(s):
        print("hello")
        print(s)
        
    @staticmethod
    def b():
        print("hello b")

    @classmethod
    def c(d):
       print("hello c")


# call Method here 
x=aa()

x.a()

x.b()
x.c()        



x=[11,22,33,44]

print([n*2 for n in x])


x1=[1,3,2,4,5,9,8,7]



print(x2)






      


