f = open('a.txt', 'r', encoding='utf-8')d = f.read()f.close()code = input('输入学号')s = Truefor i in d.split('\n'): xuehao, name = i.split(' ') if code == xuehao: print(f'学号{xuehao}的姓名:{name}') s = Falseif s: print('查无此人')
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