class_docstr: stores a single scalar value and its gradient 
class_docstr_tok: ["stores","a","single","scalar","value","and","its","gradient"]
code: def __rsub__(self, other):  # other - self
      return other + (-self)
  
file_path: micrograd/micrograd/engine.py
label_desc: Use image node_id 10 for calling the Value obj's underlying member method code with example usage: obj.__rsub__(other) and returns: unknown