'''
pymysql
pip install pymysql
'''from pymysql import*defconnectDB():
db = connect('127.0.0.1','root','root','db', charset='utf8')return db
db = connectDB()print(type(db))defcreateTable(db):
cursor = db.cursor()try:
cursor.execute('''create table persons
(id int primary key not null,
name text not null,
age int not null,
address char(100),
salary real);''')
db.commit()returnTrueexcept:
db.rollback()returnFalseif createTable(db):print('create table success')else:print('create table failed')