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In all versions of Python, boolean operators treat zero values or empty values such as "", 0, None, 0.0, [], and {} as false, while in general treating non-empty, non-zero values as true. The boolean values True and False were added to the language in Python 2.2.1 as constants (subclassed from 1 and 0 ) and were changed to be full blown ...
In computer science, a Boolean expression is an expression used in programming languages that produces a Boolean value when evaluated. A Boolean value is either true or false.A Boolean expression may be composed of a combination of the Boolean constants True/False or Yes/No, Boolean-typed variables, Boolean-valued operators, and Boolean-valued functions.
Short-circuit evaluation, minimal evaluation, or McCarthy evaluation (after John McCarthy) is the semantics of some Boolean operators in some programming languages in which the second argument is executed or evaluated only if the first argument does not suffice to determine the value of the expression: when the first argument of the AND function evaluates to false, the overall value must be ...
In mathematics and optimization, a pseudo-Boolean function is a function of the form :, where B = {0, 1} is a Boolean domain and n is a nonnegative integer called the arity of the function. A Boolean function is then a special case, where the values are also restricted to 0 or 1.
Smalley, of Hutt Street, Hull, had denied murder but admitted the charge when he changed his plea two days into the trial. Leaning, 51, of Padstow House, Hull, denied murder and manslaughter but ...
If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
(The Center Square) – Spokane Valley officials discussed legislation on Tuesday that, if approved, would allow the city to donate surplus properties to build affordable housing. State law allows ...
That being said, sales for this year are only trending up 10% year over year through Q3, according to Kelley Blue Book, indicating a significant impact, assuming sales trend at the same level in ...