为什么Python的json.dump保存的是unicode?

神圣之风
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import json
d={"name":"孙悟空","age":18,"gender":"MALE"}
f=open("d:/test.json","w",encoding='utf-8')
json.dump(d,f)
f.close()

为什么写入的文件中不是汉字,而是unicode?
{"name": "u5b59u609fu7a7a", "age": 18, "gender": "MALE"}

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✓ 已被采纳

json.dump(d,f,ensure_ascii=False)

If ensure_ascii is true (the default), the output is guaranteed to have all incoming non-ASCII characters escaped. If ensure_ascii is false, these characters will be output as-is.
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