# person = ['A.Dung','Ha Noi','WRU',21,3,257,False]

# person = {}
# print(person)
# print(type(person))

# person ={
#     'name':'A.Dung'
# }
# print(person)
# print(type(person))

person = {
    'name': 'A.Dung',
    'place':'Ha Noi',
    'age':23,
}
# person['age']+=1
del person["age"]
print(person)
# person['friend_count']=257
# print(person)
# key = 'name'
# if key in person:

#     print(person[key])
# else:
#     print("not found")

