{
    "type": "job",
    "package": "go",
    "package_name": "Go后端工程师",
    "package_id": "",
    "levels":[
        {
            "level": "01",
            "level_name": "入门",
            "level_id": "", 
            "skill_trees":[
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                "algorithm",
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            ],
            "recommend_skill_trees":[
                
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        {
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            "level_name": "进阶",
            "skill_trees":[
                
            ],
            "recommend_skill_trees":[
                
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}