pass data between views django code example

Example: how to pass data between views django

def update_project_filter(request):
    ...
    selected_project_id = project_form.cleaned_data["Project_Name"].id
    request.session['selected_project_id'] = selected_project_id
    ...

def update_project(request):
    ...
    selected_project_id = request.session.get('selected_project_id')
    ...