IF ​

IF ​

Usage scenario: According to the [condition] , judge the [variable] , or compare the [variable] with the [result] , judge whether the condition is satisfied according to the compared value, and then execute the corresponding subtask. If the condition is satisfied, execute the subtask of [IF condition], that is, the task of area A. If the condition is not satisfied, execute the subtask of [Else], that is, the task of area B.