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edited Nov 28, 2012 at 4:46

The two brackets mean you're accessing an element in a list of lists (or dictionaries, depending on whether they key is a string or integer).

So in this example, it might look something like this

In [17]: employees = {'joe': ['100', 0], 'sue': ['200', 0]} In [18]: x = 'joe' In [19]: i = 0 In [20]: employees[x][i] Out[20]: '100'

The two brackets mean you're accessing an element in a list of lists (or dictionaries, depending on whether they key is a string or integer).

The two brackets mean you're accessing an element in a list of lists (or dictionaries)

So in this example, it might look something like this

In [17]: employees = {'joe': ['100', 0], 'sue': ['200', 0]} In [18]: x = 'joe' In [19]: i = 0 In [20]: employees[x][i] Out[20]: '100'

answered Nov 28, 2012 at 4:41

The two brackets mean you're accessing an element in a list of lists (or dictionaries, depending on whether they key is a string or integer).