1、将标题格式设置成与上一级相同   2、选中标题，设置为标题2    

result=re.search(r'\d+\.(\d+\.)\d+',package_name) ifresult: package_version=result.group() 　　

Name:ListShouldContainValueSource:Collections<testlibrary>Arguments:[list_|value|msg=None]Failsifthe`value`isnotfoundfrom`list`.If`msg`isnotgiven,thedefaulterrormessage"b|cdoesnotcontainthevalue'x'"isshownincaseofafailure.Otherwise,thegiven`msg`isusedincaseofafailure. 场景1： 场景2：