# python解释器会自动连接相邻字符串，加上括号，可去掉不必要的换行符
# 示例代码如下:
sql = (
    "select id, email, created_at from user"
    " where email like '%@gmail.com'"
    " order by created_at desc"
)

cursor.execute(sql)

或者

sql = "select "\
      "from"\
      "where"

其实保留回车也没有什么的，至少SQLAlchemy里一抓一大把