Function-utility for the initial filling of the database from the JSON file
The function of forming a set of objects with polls (queryset for class based view - CBV polls)
The function of forming a set of objects with poll answers (queryset for CBV survey answers)
The function of forming a set of objects with the results of voting on a poll (queryset for CBV)
Function for recording the voting result in the database (called via the URL from the voting form)
