20 lines
445 B
Python
20 lines
445 B
Python
import random
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from tombola import Tombola
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class BingoCage(Tombola): # <1>
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def __init__(self, items):
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self._balls = list(items) # <2>
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def load(self, items):
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self._balls.extend(items)
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def pick(self):
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try:
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position = random.randrange(len(self._balls)) # <3>
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except ValueError:
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raise LookupError('pop from empty BingoCage')
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return self._balls.pop(position) # <4>
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