import json

with open('./data/my_data.json') as f:
    my_json_data = json.load(f)

my_json_data

{'my_key': 'my_value'}

from my_package.my_module import MyClass

MyClass(123)

<my_package.my_module.MyClass at 0x7f4940c2f790>

from my_package.my_module import my_function

my_function(123, 456)

579