changed variable name (#150)

changed variable name from `result1andhalf` to result1andhalf

Author: rohanurkude28

src/main/scala/stdlib/HigherOrderFunctions.scala

@@ -50,7 +50,7 @@ object HigherOrderFunctions
     def lambda5(x: Int) = x + 1
 
     val result           = lambda(3)
-    val `result1andhalf` = lambda.apply(3)
+    val result1andhalf = lambda.apply(3)
 
     val result2 = lambda2(3)
     val result3 = lambda3(3)