task1: caclultor

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
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main.py

-print("hello")
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+# This function adds two numbers
+def add(x, y):
+    return x + y
+
+
+# This function subtracts two numbers
+def subtract(x, y):
+    return x - y
+
+
+# This function multiplies two numbers
+def multiply(x, y):
+    return x * y
+
+
+# This function divides two numbers
+def divide(x, y):
+    return x / y
+
+
+print("Select operation.")
+print("1.Add")
+print("2.Subtract")
+print("3.Multiply")
+print("4.Divide")
+
+while True:
+    # take input from the user
+    choice = input("Enter choice(1/2/3/4): ")
+
+    # check if choice is one of the four options
+    if choice in ('1', '2', '3', '4'):
+        try:
+            num1 = float(input("Enter first number: "))
+            num2 = float(input("Enter second number: "))
+        except ValueError:
+            print("Invalid input. Please enter a number.")
+            continue
+
+        if choice == '1':
+            print(num1, "+", num2, "=", add(num1, num2))
+
+        elif choice == '2':
+            print(num1, "-", num2, "=", subtract(num1, num2))
+
+        elif choice == '3':
+            print(num1, "*", num2, "=", multiply(num1, num2))
+
+        elif choice == '4':
+            print(num1, "/", num2, "=", divide(num1, num2))
+
+        # check if user wants another calculation
+        # break the while loop if answer is no
+        next_calculation = input("Let's do next calculation? (yes/no): ")
+        if next_calculation == "no":
+            break
+    else:
+        print("Invalid Input")
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