100
a=kitob.setdefault(“yil”)
print(a)
13.Pythonda ichma-ich lug’atlardan foydalanish mumkin
kitob={
‘kitob1’:{
‘nom’: ‘Python asoslari’,
‘muallif’: ‘M.Mamarajabov’,
‘yil’:2021,
‘adadi’:500},
‘kitob2’:{
‘nom’: ‘C++’,
‘muallif’: ‘R.To’rayev’,
‘yil’:2020,
‘adadi’:200},
‘kitob3’:{
‘nom’: ‘PHP7’,
‘muallif’: ‘SH.Mengliyev’,
‘yil’:2019,
‘adadi’:250},
}
print(kitob)
{'kitob1': {'nom': 'Python asoslari',
'muallif': 'M.Mamarajabov', 'yil': 2021,
'adadi': 500},
'kitob2': {'nom': 'C++', 'muallif':
'R.Turayev', 'yil': 2020, 'adadi': 200},
'kitob3': {'nom': 'PHP7', 'muallif':
'Sh.Mengliyev', 'yil': 2019, 'adadi':
250}}
Dostları ilə paylaş: