They do not attempt to change life, but establish in reflecting the truth.
它们不会企图改变生活，而是立足于真实地反映。
Such functions are called "pure" because they do not attempt to change their inputs, and always return the same result for the same inputs.
像这样的函数，我们称为纯函数，因为他们不要视图改变他们的输入，并且总是返回同样的输出通过输入同样的参数。
Such functions are called "pure" because they do not attempt to change their inputs, and always return the same result for the same inputs.
像这样的函数，我们称为纯函数，因为他们不要视图改变他们的输入，并且总是返回同样的输出通过输入同样的参数。
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