any (vs unknown)

Avoid unsafe any; use unknown and narrow with checks. Practice safe parsing, arrays, records, and gradual typing tactics.

• Unknown to UpperNot started
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• Safe JSON TitleNot started
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• Sum Numbers from UnknownNot started
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• Normalize NamesNot started
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• Count True in Unknown MapNot started
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• Total Prices from UnknownNot started
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