nl: form is an instance of ManagementForm class, created with 3 arguments: auto_id as self.auto_id, prefix as self.prefix,
code: form = ManagementForm ( auto_id = self . auto_id , prefix = self . prefix , initial = { TOTAL_FORM_COUNT : self . total_form_count ( ) , INITIAL_FORM_COUNT : self . initial_form_count ( ) , MIN_NUM_FORM_COUNT : self . min_num , MAX_NUM_FORM_COUNT : self . max_num } )