import sys, locale
expressions = """
locale.getpreferredencoding()
type(my_file)
my_file.encoding
sys.stdout.isatty()
sys.stdout.encoding
sys.stdin.isatty()
sys.stdin.encoding
sys.stderr.isatty()
sys.stderr.encoding
sys.getdefaultencoding()
sys.getfilesystemencoding()
"""
my_file = open('dummy', 'w')
for expression in expressions.split():
    value = eval(expression)
    print(expression.rjust(30), '->', repr(value))