original_docstring: 
          Grant read/write access to a database for a user
          :param username: the name of the user involved
          :param db_name: the name of the database involved
          
docstring: Grant read/write access to a database for a user
docstring_tokens: Grant read / write access to a database for a user
code: def let_user_access_database(self, username: str, db_name: str):
          """
          Grant read/write access to a database for a user
          :param username: the name of the user involved
          :param db_name: the name of the database involved
          """
          self.sys_db.update_permission(username=username, permission='rw', database=db_name)
code_tokens: def let_user_access_database ( self , username : str , db_name : str ) : self . sys_db . update_permission ( username = username , permission = 'rw' , database = db_name )
short_docstring: Grant read/write access to a database for a user
short_docstring_tokens: Grant read / write access to a database for a user
comment: """
          Grant read/write access to a database for a user
          :param username: the name of the user involved
          :param db_name: the name of the database involved
          """