import pymysql
def connection():
conn = pymysql.connect(db='x',
user='x',
passwd='x',
host='x')
return conn
connection()
def test(conn):
with conn.cursor() as cursor:
sql = "SELECT id from xxxx"
cursor.execute(sql)
result = cursor.fetchall()
print(result)
test()
aW1wb3J0IHB5bXlzcWwKCgpkZWYgY29ubmVjdGlvbigpOgogICAgY29ubiA9IHB5bXlzcWwuY29ubmVjdChkYj0neCcsCiAgICAgICAgICAgICAgICAgICAgICAgdXNlcj0neCcsCiAgICAgICAgICAgICAgICAgICAgICAgcGFzc3dkPSd4JywKICAgICAgICAgICAgICAgICAgICAgICBob3N0PSd4JykKICAgIHJldHVybiBjb25uCgpjb25uZWN0aW9uKCkKCmRlZiB0ZXN0KGNvbm4pOgogICAgd2l0aCBjb25uLmN1cnNvcigpIGFzIGN1cnNvcjoKICAgICAgICBzcWwgPSAiU0VMRUNUIGlkIGZyb20geHh4eCIKICAgICAgICBjdXJzb3IuZXhlY3V0ZShzcWwpCiAgICAgICAgcmVzdWx0ID0gY3Vyc29yLmZldGNoYWxsKCkKICAgICAgICBwcmludChyZXN1bHQpCgp0ZXN0KCkKCgo=