Rick van Hattem
39 lines
785 B
ReStructuredText
39 lines
785 B
ReStructuredText
# All output in the table below is generated using this function
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>>> def print_set(expression, set_):
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... 'Print set as a string sorted by letters'
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... print(expression, ''.join(sorted(set_)))
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>>> spam = set('spam')
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>>> print_set('spam:', spam)
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spam: amps
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>>> eggs = set('eggs')
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>>> print_set('eggs:', eggs)
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eggs: egs
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------------------------------------------------------------------------------
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>>> current_users = set((
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... 'a',
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... 'b',
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... 'd',
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... ))
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>>> new_users = set((
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... 'b',
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... 'c',
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... 'd',
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... 'e',
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... ))
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>>> to_insert = new_users - current_users
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>>> sorted(to_insert)
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['c', 'e']
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>>> to_delete = current_users - new_users
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>>> sorted(to_delete)
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['a']
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>>> unchanged = new_users & current_users
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>>> sorted(unchanged)
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['b', 'd']
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