python 查询 mysql ，带参数错误

Question

==========Traceback (most recent call last):  File "D:\Users\Administrator\workspace\svnRecom\ItemCF2Mysql.py", line 61, in <module>    counsu=queryCou()  File "D:\Users\Administrator\workspace\svnRecom\ItemCF2Mysql.py", line 45, in queryCou    rows = queryrcmd(sql)  File "D:\Users\Administrator\workspace\svnRecom\ItemCF2Mysql.py", line 57, in queryrcmd    conn.execute(sql)  File "E:\ProgramData\Anaconda2\lib\site-packages\pymysql\cursors.py", line 166, in execute    result = self._query(query)  File "E:\ProgramData\Anaconda2\lib\site-packages\pymysql\cursors.py", line 322, in _query    conn.query(q)  File "E:\ProgramData\Anaconda2\lib\site-packages\pymysql\connections.py", line 855, in query    self._execute_command(COMMAND.COM_QUERY, sql)  File "E:\ProgramData\Anaconda2\lib\site-packages\pymysql\connections.py", line 1091, in _execute_command    packet = prelude + sql[:packet_size-1]TypeError: cannot concatenate 'str' and 'tuple' objects

Answer 1

="+str(SupplierId)