Basic Dictionary Operations

>>> dict = { 'Python': 'Van Rossum', 'C++':'Stroustrup', 'Java':'Gosling'}

>>> dict['Python']
'Van Rossum'

>>> dict['Pascal'] = 'Wirth'

>>> dict.keys()
['Python', 'Pascal', 'Java', 'C++']

>>> dict.values()
['Van Rossum', 'Wirth', 'Gosling', 'Stroustrup']

>>> dict.items()
[('Python', 'Van Rossum'), ('Pascal', 'Wirth'), ('Java', 'Gosling'), ('C++', 'Stroustrup')]