get_data_from_a_formset.py

from make_a_formset import formset

# populate your formset

for form in formset:
    form_data = form.clean_data
    # {'name': 'Hannah', 'favorite_color': 'yellow'}
    
    # do stuff with the data

make_a_formset.py

from django import forms
from django.forms import formset_factory

# Make your form
class PersonForm(forms.Form):
    name = forms.CharField()
    favorite_color = forms.CharField()

# Make your formset factory
PeopleFormSet = formset_factory(PersonForm)

# Instantate your formset
formset = PeopleFormSet()