import pyodbc
connection = pyodbc.connect('Driver = {SQL Server};Server=SIWSQL43A\SIMSSPROD43A;'
'Database=CSM_reporting;Trusted_Connection=yes;')
connection = pyodbc.connect('Driver = {SQL Server}; Server = SIWSQL43A\SIMSSPROD43A;'pyodbc.Error:('IM002','[IM002] [Microsoft] [ODBC Driver Manager]未找到数据源名称且没有默认值驱动程序指定(0)(SQLDriverConnect)')