Def Result Null. Understanding Null in Python. You must use the IS NULL or IS NOT NULL operators to check for a NULL value.
However when used in a boolean test both null and zero result in a FALSE value. Not binding The law was declared null and void. Null synonyms null pronunciation null translation English dictionary definition of null.
It is an experimental outcome which does not show an otherwise expected effect.
When you call has_no_return theres no output for you to see. Failing to reject the null hypothesisthat the results are explainable by chance aloneis a weak conclusion because it allows that factors other than chance may be. Null definition without value effect consequence or significance. Having no legal force.