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rohitisog · Sep 16, 2022 · 49c93f4 · 49c93f4
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diff --git a/04Day-SolidityBasics.sol b/04Day-SolidityBasics.sol
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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.5.0 <0.9.0;
+
+//Create a function evaluate(int a , int b).
+contract day4 {
+//Subtract the difference of a and b from the sum of a and b
+    function evaluate(int256 a,int256 b) public pure returns (int256){
+    //Return the result of the above task from the evaluate()
+    return ((a+b)-(a-b));
+    }
+}