dic={"name":"liminar","loc":"kakkanad","course":"python","age":25,"mark":25}
#dic["age"]=30
#print(dic)#it is mutable ,we can update va;lue
#dic["mark"]=50
#print(dic)
#del (dic["mark"]),for delete
#print(dic)
#dic.pop("loc")
#print(dic)
#print("total" in dic)#check if the key is present or not
#dic["total"]=150# add akey
#print(dic)

