1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
|
import os, sqlite3
db_file = os.path.join(os.path.dirname(__file__), 'test.db') if os.path.isfile(db_file): os.remove(db_file)
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)") cursor.close() conn.commit() conn.close()
def get_score_in(low, high): try: conn = sqlite3.connect(db_file) cursor = conn.cursor() cursor.execute('select * from user where score between ? and ?', (low, high)) values = cursor.fetchall() finally: cursor.close() conn.close() return list(map(lambda x: x[1], sorted(values, key = lambda x: x[2])))
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.')
|