d1 = {'a': 100, 'b': 'hello', 'c': 1, 'd': 40}

d2 = {'a': 100, 'b': 7, 'c': 1, 'd': 40}

d3 = {}

try:
    print(f"get_max_value({d5}): {get_max_value(d5)}")
except Exception as e:
    # 'e' is the exception object; printing it shows the specific error message
    print("An error occurred:", e)
    print("Error type:", type(e).__name__)