code: def update_experiment(self, id, key, value):
          '''Update experiment'''
          if id not in self.experiments:
              return False
          self.experiments[id][key] = value
          self.write_file()
          return Truf update_experiment(self, id, key, value):
          '''Update experiment'''
          if id not in self.experiments:
              return False
          self.experiments[id][key] = value
          self.write_file()
          return True
docs: Update experiment