from icalendar import vRecur

rrule_dict_str = {'FREQ': 'WEEKLY', 'BYDAY': 'MO,WE'}
rrule_dict_list = {'FREQ': 'WEEKLY', 'BYDAY': ['MO', 'WE']}

print(f"String input result: {vRecur(rrule_dict_str).to_ical().decode('utf-8')}")
print(f"List input result: {vRecur(rrule_dict_list).to_ical().decode('utf-8')}")