There may be some situations in which you need a random number that represents a probability (as in, 30 percent or 55 percent).

您很可能遇到过这样的情况：需要一个随机的数来代表一个概率（比如，30% 或 55%）。

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Next, I need to author the nonce field, which wraps a random number as an integer.

下面，需要生成nonce字段，它包装了一个随机数作为一个整数。

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