Objective Questions
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 1. What does ones_like([1, 2, 3]) produce

   a. array([1, 1, 1])
   #. [1, 1, 1]
   #. [1.0, 1.0, 1.0]
   #. Error
   
 2. What does ones_like([1.2, 3, 4, 5]) produce

   a. [1.2, 3, 4, 5]
   #. array([1.0, 1.0, 1.0, 1.0])
   #. array([1, 1, 1, 1])
   #. array([1.2, 3, 4, 5])