Background: I am writing a python program which should manage my music files. It crawls directories and puts the files and their meta data (via mutagen), encoded in JSON, in a file as a simple "database". I have the directory searching fine, but when I try and save the database, or encode to JSON, it throws a "TypeError: {...} is not JSON serializable" (the ... are some keys and values from a dict, more on that below): I am writing a python program which
阅读背景：
json。倾倒“类型错误:{…}不是JSON可序列化的”表面上有效的对象?
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