name = input("请输入学生姓名:") student_id = input("请输入学生学号:") dict_1 = {} dict_1[name] = student_id name1 = input("请输入需要查询的学生姓名:") for key,value in dict_1.items(): if name1 == key: print(dict_1[key]) else: print("没有该学生!")