# city_population = {
#     "NewYorkCity":8550405,
#     "LosAngeles":3971883, 
#     "Toronto":2731571, 
#     "Chicago":2720546, 
#     "Houston":2296224, 
#     "Montreal":1704694, 
#     "Calgary":1239220, 
#     "Vancouver":631486, 
#     "Boston":667137
# }
# # print(city_population["NewYorkCity"])
# print(city_population)
# print(type(city_population))


# Dict = {
#        'ball' : 'green',
#        'Ball': 'red'
#      }
# print(Dict['ball'])
# print(Dict['Ball'])


# student=dict(name= "Ravina",age= 20)
# print(student)

# my_dict = {
#     'name': 'John',
#      1: [2, 4, 3]
#     }
# print(my_dict)

# nested dictionary
Dic= {
 1: 'NAVGURUKUL',
 2: 'IN',  
 3:{
     'A' : 'WELCOME',
     'B' : 'To', 
     'C' : 'DHARAMSALA'
     }
}
print(Dic)

