Discuss / Python / 记录答案

记录答案

Topic source

Nobita

#1 Created at ... [Delete] [Delete and Lock User]
#!/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')

  • 1

Reply