In UNIX$/$Linux$,$ I$/$O redirection refers to what?

A$.)$ The sending of all input and output to $/$dev$/$null

B$.)$ The redirecting of standard file handles such as STDIN

C$.)$ Your program reading input from your keyboard

D$.)$ Creating new file handles for output $--------------------------------------$In Python, What is the purpose of the escape character:

$"$

$"$

A$.)$ To indicate a newline character

B$.)$ To tell python to continue the current statement on the next line