# cf.le

`cf.``le`(value, units=None, attr=None)

  Return a `cf.Query` object for a variable for being less than or equal to a value.

  See also

  `cf.contain`, `cf.eq`, `cf.ge`, `cf.gt`, `cf.ne`, `cf.lt`, `cf.set`, `cf.wi`, `cf.wo`

  Parameters: | value: object The value which a variable is to be compared with. units: str or cf.Units, optional The units of value. By default, the same units as the variable being tested are assumed, if applicable. attr: str, optional Return a query object for a variable’s attr attribute.
  Returns: | out: cf.Query The query object.
  Examples: |

      >>> q = cf.le(5)
      >>> q
      <CF Query: x le 5>
      >>> q.evaluate(5)
      True
      >>> q.evaluate(6)
      False