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#1 Created at ... [Delete] [Delete and Lock User]
# -*- coding: utf-8 -*-import os, sqlite3db_file = os.path.join(os.path.dirname(__file__), 'test.db')if os.path.isfile(db_file):    os.remove(db_file)# 初始数据:conn = sqlite3.connect(db_file)cursor = conn.cursor()cursor.execute('create table user(id varchar(20) primary key, name varchar(20), score int)')cursor.execute(r"insert into user values ('A-001', 'Adam', 95)")cursor.execute(r"insert into user values ('A-002', 'Bart', 62)")cursor.execute(r"insert into user values ('A-003', 'Lisa', 78)")conn.commit()cursor.close()conn.close()def get_score_in(low, high):    """返回指定分数区间的名字,按分数从低到高排序"""    try:        conn = sqlite3.connect(db_file)        cursor = conn.cursor()        cursor.execute('select * from user where score between ? and ? order by score', (low, high))        values = cursor.fetchall()        return [v[1] for v in values]    except:        print('发生错误!')    finally:        cursor.close()        conn.close()# 测试:assert get_score_in(80, 95) == ['Adam'], get_score_in(80, 95)assert get_score_in(60, 80) == ['Bart', 'Lisa'], get_score_in(60, 80)assert get_score_in(60, 100) == ['Bart', 'Lisa', 'Adam'], get_score_in(60, 100)print('Pass')

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