Review the code below.  What is the data type of the variable x?               def function_a(y):   print(“hello”)   x = function_a(5)

What is the difference between the “w” and “a” file modes?

What data type does the open() function return?

Which SQL keyword / command corresponds with the “R” in CRUD operations?

  Given this stack trace above, on what line was the main function called?

Review the code below.  What is the data type of the variable x?               def function_a():   return 1, 2     x = function_a()

What is true about the CSV file format?  

lower() is:

What the resulting data type from the following expression? x < 5

What does range return?   for x in range(5)