print<DATA>x2 __END__
print<DATA>x2 __END__

##</code><code>##

print<<''x2,"\n"
print<<''x2,"\n"


##</code><code>##

print<< x2,v10
print<< x2,v10


##</code><code>##

print"$_\Q$_\E\"\n"for"print\"\$_\\Q\$_\\E\\\"\\n\"for\""