[{"question":"What is the value of x after this code: def add(a, b): return a + b; x = add(3, 4)","options":["34","7","None","(3, 4)"],"correct":1},{"question":"What does a function return if it has no return statement?","options":["0","False","None","An empty string"],"correct":2},{"question":"What is a lambda function?","options":["A named function with multiple parameters","An anonymous inline function","A function that only works with lists","A function that returns a boolean"],"correct":1}]