import json


def json_encode(data, indent=None, unicode=True):
    return json.dumps(data, indent=indent, ensure_ascii=unicode)


def json_decode(data):
    return json.loads(data)


if __name__ == '__main__':
    # e.g. The default does not indent, and the string will be coded by the unicode.
    print(json_encode({"id": 101, "name": "汤姆", "friends": ["托尼", "杰森"]}))
    # e.g. Indent 4 spaces.
    print(json_encode({"id": 101, "name": "汤姆", "friends": ["托尼", "杰森"]}, indent=4))
    # e.g. Indent 4 spaces and no coded by the unicode.
    print(json_encode({"id": 101, "name": "汤姆", "friends": ["托尼", "杰森"]}, indent=4, unicode=False))
    # e.g. Decode JSON data.
    print(json_decode(
        '''
        {"id": 101, "name": "汤姆", "friends": ["托尼", "杰森"]}
        '''
    ))