PCEP-30-02 4.2 Organize Interaction Between the Function and Its Environment PCEP-30 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which statement about global variables is true?

   • AThey are defined at the top level of a module and are accessible throughout it.
   • BThey must be declared with the global keyword to be created.
   • CThey are only accessible inside functions.
   • DThey are defined inside a function and cannot be accessed outside it.
   Reveal Solution Discussion Select an answer first
2. 7expert · easy

   A developer defines `def config(host, port=80, debug=False):` and calls `config('example.com', debug=True)`. What is the value of `port`?

   • A`True`
   • B`80`
   • C`'example.com'`
   • DThis raises a `TypeError`
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   Given `def make_smoothie(fruit, liquid):`, which call uses keyword arguments?

   • Amake_smoothie(liquid='milk', fruit='banana')
   • Bmake_smoothie('banana', 'milk')
   • Cmake_smoothie('banana', liquid='milk')
   • Dmake_smoothie(fruit, liquid)
   Reveal Solution Discussion Select an answer first
5. 9expert · hard

   What is the output of the following code? ```python x = 1 def f(): print(x) x = 2 f() ```

   • A`NameError`
   • B`2`
   • C`1`
   • D`UnboundLocalError`
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6. 10application · easy

   A function `def create_user(name, age=None, active=True):` is called as `create_user('Bob', active=False)`. What are the values of `age` and `active`?

   • A`age=False`, `active=None`
   • B`age=None`, `active=False`
   • CThis raises a `TypeError`
   • D`age=None`, `active=True`
   Reveal Solution Discussion Select an answer first