What is the expected behavior of the following code?

• A.it outputs 2
• B.it outputs 1
• C.it outputs 0
• D.it raises an exception

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Assuming that the following code has been executed successfully, selected the expression which evaluate to True (Select two answers)

• A.a is not None
• B.a ( ) == 4
• C.a ! = b
• D.b ( ) == 4

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What is the expected behavior of the following code?

• A.it outputs 3
• B.it outputs 'None'
• C.it raises an exception
• D.it outputs 0

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Assuming that the following piece of code has been executed successfully, which of the expressions evaluate to True? (Choose two.)

• A.B.VarA == 1
• B.isinstance (obj_b,A)
• C.obj_a is obj_aa
• D.A.VarA == 1

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The following class hierarchy is given. What is the expected output of the code?

• A.BB
• B.AA
• C.CC
• D.BC

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