In [1]:

    

capitals = {'United States': 'Washington, DC','France': 'Paris','Italy': 'Rome'}


    

In [2]:

    

capitals['Italy']


    

    
Out[2]:





'Rome'

In [3]:

    

capitals['Spain'] = 'Madrid'
capitals


    

    
Out[3]:





{'France': 'Paris',
 'Italy': 'Rome',
 'Spain': 'Madrid',
 'United States': 'Washington, DC'}

In [4]:

    

capitals['Germany']


    

    




---------------------------------------------------------------------------
KeyError                                  Traceback (most recent call last)
<ipython-input-4-02e66a1fa679> in <module>()
----> 1 capitals['Germany']

KeyError: 'Germany'

In [ ]:

    

'Germany' in capitals


    

In [ ]:

    

'Italy' in capitals


    

In [ ]:

    

morecapitals = {'Germany': 'Berlin','United Kingdom': 'London'}


    

In [ ]:

    

capitals.update(morecapitals)
capitals


    

In [ ]:

    

del capitals['United States']
capitals


    

In [ ]:

    

for key in capitals:
    print(key,capitals[key])


    

In [ ]:

    

for key in capitals.keys():
    print(key)


    

In [ ]:

    

for value in capitals.values():
    print(value)


    

In [5]:

    

for key,value in capitals.items():
    print(key,value)


    

    




United States Washington, DC
France Paris
Italy Rome
Spain Madrid

In [ ]: