#!/usr/bin/env python3 # -*- coding: utf-8 -*- import os, sqlite3 db_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 ' conn = conn = sqlite3.connect(db_file) cursor = conn.cursor() data = cursor.execute('select name from user where score>=? and score<=? order by score asc', (low, high)).fetchall() names = [v[0] for v in data] cursor.close() conn.close() print('names =', names) return names # 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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Nobita