python-example.py

def buy_list(items: dict[str, int]):
    lists = []
    for i in items.keys():
        lists.append(f'{i}: {items.get(i)}')
    return '\n'.join(lists)


def note(note_name, date, **items):
    print(f'''
{note_name}
Date: {date}
Author: myself
{buy_list(items)}''')


items={'cola':31, 'cake':62}
note(note_name='7-11 buy list', date='2022/03/11', cola=30, cake=60)
note(note_name='7-11 buy list', date='2022/03/11', **items)

# example output...
# 7-11 buy list
# Date: 2022/03/11
# Author: myself
# cola: 30
# cake: 60

# 7-11 buy list
# Date: 2022/03/11
# Author: myself
# cola: 31
# cake: 62

def func(arg1, arg2, *args, **kwargs):
    print(arg1)
    print(arg2)
    print(args)
    print(kwargs)

func(1,2,3, a=4)

# example output...
# 1
# 2
# (3,)
# {'a': 4}