Which of the following statements can be used to validate
whether the value a user entered for a grade is in the range 0 to
100, including both 0 and 100?

Question

BlackTom AI · Accepted Answer

The question asks which statement can validate that a user-entered grade lies within the inclusive range 0 to 100.
Option 1: 'if grade = 0 and grade = 100 :' This uses equality checks for both endpoints simultaneously, which is logically impossible for a single value to be equal to 0 and 100 at the same time. It also fails to express the acceptable range between those endpoints.
Option 2: 'if grade >= 0 and grade <= 100 :' This correctly uses two comparison operators to ensure the value is not less than 0 and not greater than 100, thereby including both endpoints. This is the standard pattern for validating an inclusive numeric range.
Note: The provided data shows the answer_options field as empty, but the answer field includes both candidate statements. In explaining validity, we compare the two statements directly and highlight why the second is appropriate for range validation while the first is flawed due to contradictory conditions and incorrect logic for range checking.

Fal25_CS003C_74229 Ch. 3 Pre-Quiz (Remotely Proctored)

Which of the following statements can be used to validate whether the value a user entered for a grade is in the range 0 to 100, including both 0 and 100?

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