Please answer these 2 short questions about python programming language.

1. In the following code, you won't see any outcome. Why?

counter = 0 while counter >= 0: counter += 1; print(counter)

a. It is in an infinite loop

b. It uses the colon in a wrong place

c. The last line with the 'print' function should be indented.

d. The semicolon generates an error

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2. What is the keyboard shortcut to add a cell below the current cell (assuming already in command mode)?

a. a

b. c

c. x

d. b