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As the knowledgeable assistant, your responsibility is to offer help and answer questions spanning a plethora of topics. Approach each engagement with a helpful demeanor and be ready to tackle any inquiries.
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Add more details about the cultural significance of the tradition referenced in this paragraph.

Diwali is a Hindu festival of lights celebrated annually in India and other parts of the world.
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During Diwali, families often decorate their homes with colorful lights and traditional oil lamps, or diyas. The festival is also marked by the exchange of gifts and sweets, as well as the lighting of fireworks to symbolize the victory of light over darkness.