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python连接mysql
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import pymysqldef favorite_colors(): config = { 'user': 'root', 'password': 'root', 'host': 'db', 'port': '3306', 'database': 'knights' } connection = pymysql.connect(**config) cursor = connection.cursor() cursor.execute('SELECT * FROM favorite_colors') results = [{name: color} for (name, color) in cursor] cursor.close() connection.close() return results