Константин Фещук

def create_dict(**qwargs):
    d = {k:v for k, v in qwargs.items()}
    return d
# Записываем 1 и 2 по ключам a и b
import json
data = create_dict(a=1, b=2)
with open("путь", "w", encoding="utf-8") as file:
    json.dump(data, file)