person={ "name":"john", "age":32, "gender":"male" } print(person) print(person["name"],id(person)) x='age' print(person[x]) person=dict([("name","john"),("age",32)]) print(person) person1={ "name":'i"m john', "age":[32,31,30], "gender":"male" } print(person1['age'][0]) #key must be unique and hashable, key can be integer person2={ "name":'i"m john', "age":[32,31,30], "gender":"male", True:10, True:3, 0:9, a:5 } print(type(person2),person2[True])