code: def precision(self, value):
      self._validate_non_negative_integer_or_none(value)
  
      self._specifier["precision"] = (
          ".{0}".format(value) if value is not None else ""
      )
      return self
  
imports: import collections
label_desc: Use image node_id 11 for calling the Format obj's underlying member method code with example usage: obj.precision(value) and returns: self