{"A1":"Mohamed","A2":"Ali"

{"A1":"Mohamed","A2":"Ali" ,"A3":"Hamad"}

{"A1":"Mohamed",A3":"Hamad"}

{1:"Volswagen",2:"Toyota",3:"Honda"}

{1:"Volswagen",3:"Honda"}

{2:"Toyota",3:"Honda"}

dict_keys([1:"Volkswagen",

2:"Toyota",

3:"Honda"

})

dict_keys([1, 2, 3])

dict_values(['Volkswagen', 'Toyota', 'Honda'])

dict_keys([1, 2, 3])