<s> import sys <EOL> import json <EOL> def open_line ( s , f = sys . stderr ) : <EOL> print >> f , '<STR_LIT>' % s , <EOL> def clear_line ( f = sys . stderr ) : <EOL> print >> f , '<STR_LIT>' , <EOL> def pretty_print ( obj , f = sys . stdout ) : <EOL> json . dump ( obj , f , sort_keys = True , indent = <NUM_LIT:4> , separators = ( '<STR_LIT:U+002C>' , '<STR_LIT>' ) ) </s>
