def number(cat1,cat2,cat3):
    print("printing a value of three : ")
    print("Value of one : ",cat1)
    print("Value of two : ",cat2)
    print("Value of three : ",cat3)
    z=cat1+cat2+cat3
    print(z)
number(5,3,6)
number(10,20,30)
number(12,20,15)
number(cat3=10,cat2=5,cat1=1)
number(15,20,50)
