def new_func(inp):
old_stdin = sys.stdin
old_stdout = sys.stdout
old_stderr = sys.stderr
sys.stdin = stream(inp)
sys.stdout = stream()
sys.stderr = stream()
try:
exit_code = func() or 0
except SystemExit as e:
exit_code = e.code
except Exception:
traceback.print_exc()
exit_code = 1
finally:
out = sys.stdout.getvalue()
err = sys.stderr.getvalue()
sys.stdin = old_stdin
sys.stdout = old_stdout
sys.stderr = old_stderr
return out, err, exit_code
def sync_with_stdio(sync=True):
global input, flush
if sync:
flush = sys.stdout.flush
else:
sys.stdin = stream(sys.stdin.read())
input = lambda: sys.stdin.readline().rstrip('\r\n')
sys.stdout = stream()
register(lambda: sys.__stdout__.write(sys.stdout.getvalue()))
def sync_with_stdio(sync=True):
"""Set whether the standard Python streams are allowed to buffer their I/O.
Args:
sync (bool, optional): The new synchronization setting.
"""
global input, flush
if sync:
flush = sys.stdout.flush
else:
sys.stdin = stream(sys.stdin.read())
input = lambda: sys.stdin.readline().rstrip('\r\n')
sys.stdout = stream()
register(lambda: sys.__stdout__.write(sys.stdout.getvalue()))
from __future__ import division, print_function
import sys
from atexit import register
if sys.version_info[0] < 3:
from io import BytesIO as stream
else:
from io import StringIO as stream
sys.stdin = stream(sys.stdin.read())
input = lambda: sys.stdin.readline().rstrip('\r\n')
sys.stdout = stream()
register(lambda: sys.__stdout__.write(sys.stdout.getvalue()))
