code: def create_assignment_operation(path, value: str):
      return AssignString(path, value)
  
file_path: neptune-client/src/neptune/attributes/atoms/string.py
imports: import typing
  from neptune.attributes.atoms.copiable_atom import CopiableAtom
  from neptune.internal.container_type import ContainerType
  from neptune.internal.operation import AssignString
  from neptune.internal.utils.logger import logger
  from neptune.internal.utils.paths import path_to_str
  from neptune.types.atoms.string import String
label_desc: Use image node_id 2 for calling the String obj's underlying member method code with example usage: obj.create_assignment_operation(path, value) and returns: AssignString