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

• A.open () is a function which returns an object that represents a physical file
• B.instd, outstd, errstd are the names of pre-opened streams
• C.if invoking open () fails, an exception is raised
• D.open () requires a second argument

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If you need a function that does nothing, what would you use instead of XXX? (Select two answers) def idler ( ):
XXX

• A.exit
• B.return
• C.pass
• D.None

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What is the expected output of the following snippet?

• A.False lower
• B.False upper
• C.True upper
• D.True lower

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Which of the following statements are true? {Select two answers)

• A.II in ASCII stands for Internal Information
• B.an escape sequence can be recognized by the / sign put in front of it
• C.a code point is a number assigned to a given character
• D.ASCII is a subset of UNICODE

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A class constructor (Select two answers)

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

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