User Guide : Using Content Extraction Language : Language Syntax and Examples : <=
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as in variable <= expression".
The less than or equal ( <= ) comparison operator is used in comparison expressions. The expression returns true if the variable has a lesser or equal value to that of the expression after evaluation; false, otherwise. The comparison is numeric unless both sides evaluate as strings. For more information, see “Comparison Expressions”.
if ( average <= 76 ) if (average >= 70) grade = "C"; # Score of 70-76 is a C