Added basic arithmetic operations

Author: VishalSingh1996

calculatorPlus.py

@@ -0,0 +1,34 @@
+import math
+
+class Calculator:
+
+    def add(self, a, b):
+        return a + b
+
+    def subtract(self, a, b):
+        return a - b
+
+    def multiply(self, a, b):
+        return a * b
+
+    def divide(self, a, b):
+        return a / b
+
+    # TODO: Implement the following function to calculate the square root of a number.
+    # def square_root(self, x):
+    #     return math.sqrt(x)
+
+if __name__ == "__main__":
+    calculator = Calculator()
+
+    num1 = 16
+    num2 = 4
+
+    print(f"{num1} + {num2} = {calculator.add(num1, num2)}")
+    print(f"{num1} - {num2} = {calculator.subtract(num1, num2)}")
+    print(f"{num1} * {num2} = {calculator.multiply(num1, num2)}")
+    print(f"{num1} / {num2} = {calculator.divide(num1, num2)}")
+
+    # TODO: Uncomment and test the square root feature.
+    # num3 = 25
+    # print(f"The square root of {num3} = {calculator.square_root(num3)}")