loops in solidity

Author: theunicorndev237

Diff for: 009

@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity >=0.7.0 <0.9.0;
+
+/**
+ * Working with loops
+ */
+
+contract LoopsInSolidity {
+    // a list of numbers ranging from 1 to 10
+    uint256[] public numbersList = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+
+    function countMultiples(uint256 _number) public view returns (uint256) {
+        // three part statement for a for loop
+        // 1. Initialize start of loop
+        // 2. Determine the length of the run time
+        // 3. iterate or update the index after each turn
+        // depending on the case - in our case we want to
+        // increment the index after each run.
+
+        uint256 count = 0;
+        for (uint256 index = 0; index < numbersList.length; index++) {
+            // logic for the loop
+            if (checkIfMultiple(numbersList[index], _number)) {
+                count++;
+            } else {
+                continue;
+            }
+        }
+
+        return count;
+    }
+
+    function checkIfMultiple(uint256 _num, uint256 _num2)
+        public
+        pure
+        returns (bool)
+    {
+        // we will make use of modulo operator
+        if (_num % _num2 == 0) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}