A31988. $执行下面Python代码后，输出的结果是？（）users = [{"name": "Tom", "skills": {"Python", "Java", "C++"}},{"name": "Join", "skills": {"Python", "Java"}},{"name": "Gaia", "skills": {"Java", "C++", "SQL"}}]skills_sets = (…$

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执行下面Python代码后，输出的结果是？（    ）users = [{"name": "Tom", "skills": {"Python", "Java", "C++"}},{"name": "Join", "skills": {"Python", "Java"}},{"name": "Gaia", "skills": {"Java", "C++", "SQL"}}]skills_sets = (user['skills'] for user in users)common_skills = set.intersection(*skills_sets) print(common_skills)

{'Java', Python'}

{SQL', 'C++'}

{'Java', 'SQL', 'Python', 'C++'}

{'Java'}

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