​
import json
from dataclasses import asdict, dataclass


@dataclass
class Stack:
    languages   : tuple = ("Golang", "Mandarin", "Python", "C++", "français", "English")
    ongoing     : tuple = ("CSAPP")
    todos       : tuple = ("JuliaLang", "Rust⚙️")
    gears       : tuple = ("Maths", "m1 mba", "vscode", "vim", "Debian", "raspi 4")
    misc        : tuple = ("TensorFlow", "Docker", "Mathematica")
    edu         : tuple = ("Sorbonne Université Campus Pierre et Marie Curie", "Beijing University of Technology")
    
    def serialize(self):
        return json.dumps(asdict(self), indent=4)


stack = Stack()
print(stack.serialize())
​