Test 3: Testing main.py output...
SUCCESS: main.py prints the correct message!
Output was: Calculator ready!
Adding 2 + 3 = 5
2 + 3 = 5
Subtracting 5 - 2 = 3
5 - 2 = 3
Multiplying 4 * 6 = 24
4 * 6 = 24
Dividing 10 / 2 = 5.0
10 / 2 = 5.0
Main output test passed!