python json字典列表，按指定相同的键值对，合并到一个列表中

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undergraduate_result =[

　　　　{"major": "Sociology1","href": "https://as.cornell.edu/sociology-major","note": "","type": "Bachelor's","college": "College of Arts and Sciences"},

　　　　{"major": "Sociology2","href": "https://as.cornell.edu/sociology-major","note": "","type": "Bachelor's","college": "College of Arts and Sciences"},

　　　　{"major": "Sociology3","href": "https://as.cornell.edu/sociology-major","note": "","type": "Bachelor's","college": "College of Arts and Sciences"},

　　　　{"major": "Sociology4","href": "https://as.cornell.edu/sociology-major","note": "","type": "Bachelor's","college": "College of Arts and Sciences"}

]

undergraduate_json = {}
for undergraduate in undergraduate_result:
　　if undergraduate["college"] in undergraduate_json:
　　　　undergraduate_json[undergraduate["college"]].append(undergraduate)
　　else:
　　　　undergraduate_json[undergraduate["college"]] = [undergraduate]

print(undergraduate_json)

==================以下为输出==========================

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