appendix user-defined modules the driver needs to reference both instances of userfnct(from within its namespace by using the plain import statementboth versions of userfnct(will be imported and made available within the main py driver we can then include the module name as part of the referencev moda userfnctxy modb userfnctxy to direct the interpreter to specific version of the function had we imported the two versions of userfnct(into the current namespace using the from/import statementthen only the version defined within modb py would be available since the second definition of the function would have redefined the original from moda py