A.three chars

B.four chars

C.two chars

D.one char

A.2

B.an errno value corresponding to file not found

C.-1

D.0

A.it outputs [4, 2, 0]

B.it outputs [1, 3]

C.it outputs [3, 1]

D.the code is erroneous and it will not execute

A.it raises an exception

B.it outputs nothing

C.it outputs False

D.it outputs True

A.it outputs True

B.it raises an exception

C.it outputs False

D.it outputs nothing