15 lines
239 B
Python
15 lines
239 B
Python
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_symbols = {}
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def has(name):
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return name in _symbols
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def get(name):
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if name in _symbols:
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return _symbols[name]
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else:
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_symbols[name] = None
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return None
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def set(name, value):
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_symbols[name] = value
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