What is the expected behavior of the following code?

• A.it outputs nothing
• B.it outputs True
• C.it outputs False
• D.it raises an exception

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Which of the following statement are true? (Select two answers)

• A.closing an open file is performed by the closefile ( ) function
• B.the second open ( ) argument describes the open mode and defaults to 'w'
• C.if open ( )'s second argument is 'w' and the invocation succeeds, the previous file's content is lost
• D.if open ( ) 's second argument is 'r' the file must exist or open will fail

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Which of the following expressions evaluate to True? (Select two answers)

• A.121 + 1 != '!' + 2 * '2'
• B.'3.14' != str(3.1415)
• C.'1' + '1' + '1' < '1' * 3'
• D.'AbC' lower () < 'AB'

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Which of the following expression evaluate to True? (Select two answers)

• A.len('\'*) == 1
• B.ord("Z") - ord("z") -- ord("0")
• C.len("""
  """) == o
• D.chr(ordCA') + 1) == 'B'

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A class constructor (Select two answers)

• A.can be invoked directly from any of the superclasses
• B.can be invoked directly from any of the subclasses
• C.can return a value
• D.cannot be invoked directly from inside the class

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