completed

solutions/day-1/arrays-level-1.js

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+// 1.question
+const arr = [];
+// 2.question
+const num = [1, 2, 3, 4, 5];
+// 3.question
+const len = num.length;
+// 4.question
+const firstItem = num[0];
+const middleItem = num[(len - 1) / 2];
+const lastItem = num[len - 1];
+// 5.question
+const mixedDataTypes = [1, 'satya', 20, false, null,undefined];
+const lengthMixed = mixedDataTypes.length;
+// 6.question
+
+