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The first way is: if expression do something elseif expression do something else do something end. The second way is: ... <看更多>

How can programs do different things for different data values? Objectives. Construct a conditional statement using if, elseif, and else. Test for equality ... ... <看更多>

To determine if a value falls within a range, you can use two separate comparison tests, joined with an AND condition, e.g., elseif ... ... <看更多>