👉 In programming, a defet (defective expression) is a statement that contains an error or invalid condition. It's often used in computer science to indicate that a program has not executed correctly and should be debugged. For example: ```python defet = 10 / 0 print(defet) ``` In this case, the output will be `ValueError: division by zero` because dividing by zero is undefined. The program would crash if it tried to divide by