以第一列作为键读取两列CSV作为dict

这有效：

import csvresult={}with open('/tmp/test.csv','r') as f:    red=csv.DictReader(f)    for d in red:        result.setdefault(d['team'],[]).append(d['bldg'])#results={'1': ['1450'], '3': ['204', '250', '1437'], '2': ['1440']}