What is true about Python class constructors? (Choose two.)

• A.the constructor is a method named __init__
• B.the constructor must return a value other than None
• C.the constructor must have at least one parameter
• D.there can be more than one constructor in a Python class

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What is the expected out of the following code of the file named zero_length_existing_file is a zero-length file located inside the working directory?

• A.0
• B.2
• C.-1
• D.an errno value corresponding to file not found

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How many elements will the list2 list contain after execution of the following snippet?
list1 = [False for i in range (1, 10) ]
list2 = list1 [-1:1:-1]

• A.zero
• B.five
• C.seven
• D.three

Correct Answer: C

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What is the expected behavior of the following code?

• A.it outputs 3
• B.it outputs 1
• C.it outputs 2
• D.the code is erroneous and it will not execute

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Assuming that the code below has been executed successfully, which of the following expressions evaluate to True? (Select two answers)

• A.len(Object.__diet__) == 1
• B.'var' in Object.__diet__
• C.'prop' in Class.__diet
• D.'var1 in Class, diet

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