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d � Z d S)� JSONEncoderaZ Extensible JSON <http://json.org> encoder for Python data structures.
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| Python | JSON |
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| list, tuple | array |
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| str | string |
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| int, float | number |
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| True | true |
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| False | false |
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| None | null |
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z, z: FTNc C s� | | _ | | _ | | _ | | _ | | _ | | _ | d k rW | \ | _ | _ n | d k ro d | _ n | d k r� | | _ n d S)a� Constructor for JSONEncoder, with sensible defaults.
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