Question: If two items have a different hash (e.g. H(x) /= H(z)) can you assume the x /= z? explain If two items have the same

If two items have a different hash (e.g. H(x) /= H(z)) can you assume the x /= z? explain

If two items have the same hash (e.g. H(x) = H(z)) can you assume that x = z?explain

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