Page 433 - Computer Science V2.0 Class 11

30 print('Would you like to provide its capital to be added to dictionary? (Y/y)')
31 choice = input('')
32 if choice in ('Y', 'y'):
33 capital = input('Enter the capital of '+state+': ')
34 myDict[state] = capital
35 print(myDict)
36
37
38 def searchState(myDict, capital):
39 '''

40 Input Parameters: myDict - Dictionary containing state as keys and capital as values
41 capital - capital to which state is mapped is to be determined
42 Return Value:
43 state, if capital occurs in any of the key-value pair
44 '''
45 states = set()
46 for state in myDict.keys():
47 if capital == myDict[state]:
48 states.update(set([state]))
49 if states == set():
50 states = 'No States found'
51 else:
52 print('States with capital', capital, ':', states)
53
54
55 myDict = stateCapitalDict()
56 print(myDict)
57 state = input('Enter a state: ')
58 searchCapital(myDict, state)
59 capital = input('Enter a capital: ')
60 searchState(myDict, capital)

Sample output:
Enter state:Bihar
Enter capital:Patna
Enter state:Haryana
Enter capital:Chandigarh
Enter state:Jharkhand
Enter capital:Ranchi
Enter state:Manipur
Enter capital:Imphal
Enter state:Tripura
Enter capital:Agartala
Enter state:
Enter capital:
{'Bihar': 'Patna', 'Haryana': 'Chandigarh', 'Jharkhand': 'Ranchi', 'Manipur': 'Imphal',
'Tripura': 'Agartala'}
Enter a state: Haryana
Capital of Haryana is Chandigarh
Enter a capital: Agartala
States with capital Agartala : {'Tripura'}

Dictionaries 419