"""simple docstring"""





import os
import string
import sys


_UpperCamelCase   :						Optional[Any]      =    1 << 8

_UpperCamelCase   :						str      =    {
    "tab": ord("\t"),
    "newline": ord("\r"),
    "esc": 27,
    "up": 65 + ARROW_KEY_FLAG,
    "down": 66 + ARROW_KEY_FLAG,
    "right": 67 + ARROW_KEY_FLAG,
    "left": 68 + ARROW_KEY_FLAG,
    "mod_int": 91,
    "undefined": sys.maxsize,
    "interrupt": 3,
    "insert": 50,
    "delete": 51,
    "pg_up": 53,
    "pg_down": 54,
}

_UpperCamelCase   :						Union[str, Any]      =    KEYMAP["up"]
_UpperCamelCase   :						str      =    KEYMAP["left"]

if sys.platform == "win32":
       _UpperCamelCase   :						Dict      =    []
       _UpperCamelCase   :						Union[str, Any]      =    {
           b"\xe0H": KEYMAP["up"] - ARROW_KEY_FLAG,
           b"\x00H": KEYMAP["up"] - ARROW_KEY_FLAG,
           b"\xe0P": KEYMAP["down"] - ARROW_KEY_FLAG,
           b"\x00P": KEYMAP["down"] - ARROW_KEY_FLAG,
           b"\xe0M": KEYMAP["right"] - ARROW_KEY_FLAG,
           b"\x00M": KEYMAP["right"] - ARROW_KEY_FLAG,
           b"\xe0K": KEYMAP["left"] - ARROW_KEY_FLAG,
           b"\x00K": KEYMAP["left"] - ARROW_KEY_FLAG,
       }

for i in range(10):
       _UpperCamelCase   :						Union[str, Any]      =    ord(str(i))





def 				a_     (      ):





       '''simple docstring'''

       if os.name == "nt":
              import msvcrt

              lowercase__			:		List[Any]       =	'mbcs'
              # Flush the keyboard buffer
              while msvcrt.kbhit():
                     msvcrt.getch()
              if len(_SCREAMING_SNAKE_CASE     ) == 0:
                     # Read the keystroke
                     lowercase__			:		Dict       =	msvcrt.getch()

                     # If it is a prefix char, get second part
                     if ch in (b"\x00", b"\xe0"):
                            lowercase__			:		Optional[int]       =	ch + msvcrt.getch()
                            # Translate actual Win chars to bullet char types
                            try:
                                   lowercase__			:		Union[str, Any]       =	chr(WIN_KEYMAP[cha]     )
                                   WIN_CH_BUFFER.append(chr(KEYMAP['mod_int']     )     )
                                   WIN_CH_BUFFER.append(_SCREAMING_SNAKE_CASE     )
                                   if ord(_SCREAMING_SNAKE_CASE     ) in (
                                       KEYMAP["insert"] - 1 << 9,
                                       KEYMAP["delete"] - 1 << 9,
                                       KEYMAP["pg_up"] - 1 << 9,
                                       KEYMAP["pg_down"] - 1 << 9,
                                   ):
                                          WIN_CH_BUFFER.append(chr(126     )     )
                                   lowercase__			:		Optional[int]       =	chr(KEYMAP['esc']     )
                            except KeyError:
                                   lowercase__			:		Tuple       =	cha[1]
                     else:
                            lowercase__			:		Optional[int]       =	ch.decode(_SCREAMING_SNAKE_CASE     )
              else:
                     lowercase__			:		Any       =	WIN_CH_BUFFER.pop(0     )
       elif os.name == "posix":
              import termios
              import tty

              lowercase__			:		List[str]       =	sys.stdin.fileno()
              lowercase__			:		List[Any]       =	termios.tcgetattr(_SCREAMING_SNAKE_CASE     )
              try:
                     tty.setraw(_SCREAMING_SNAKE_CASE     )
                     lowercase__			:		str       =	sys.stdin.read(1     )
              finally:
                     termios.tcsetattr(_SCREAMING_SNAKE_CASE   , termios.TCSADRAIN   , _SCREAMING_SNAKE_CASE     )
       return ch






def 				a_     (      ):





       '''simple docstring'''

       lowercase__			:		int       =	get_raw_chars()
       if ord(_SCREAMING_SNAKE_CASE     ) in [KEYMAP["interrupt"], KEYMAP["newline"]]:
              return char

       elif ord(_SCREAMING_SNAKE_CASE     ) == KEYMAP["esc"]:
              lowercase__			:		int       =	get_raw_chars()
              if ord(_SCREAMING_SNAKE_CASE     ) == KEYMAP["mod_int"]:
                     lowercase__			:		Any       =	get_raw_chars()
                     if ord(_SCREAMING_SNAKE_CASE     ) >= KEYMAP["arrow_begin"] - ARROW_KEY_FLAG and ord(_SCREAMING_SNAKE_CASE     ) <= KEYMAP["arrow_end"] - ARROW_KEY_FLAG:
                            return chr(ord(_SCREAMING_SNAKE_CASE     ) + ARROW_KEY_FLAG     )
                     else:
                            return KEYMAP["undefined"]
              else:
                     return get_raw_chars()

       else:
              if char in string.printable:
                     return char
              else:
                     return KEYMAP["undefined"]








import os
from distutils.util import strtobool



def    __lowercase   (      _SCREAMING_SNAKE_CASE ,						_SCREAMING_SNAKE_CASE	) ->   Tuple:


      '''simple docstring'''


      for e in env_keys:
            SCREAMING_SNAKE_CASE		=						int(os.environ.get(_SCREAMING_SNAKE_CASE ,						-1	)	)
            if val >= 0:
                  return val
      return default



def    __lowercase   (      _SCREAMING_SNAKE_CASE ,						_SCREAMING_SNAKE_CASE=False	) ->   Optional[int]:


      '''simple docstring'''


      SCREAMING_SNAKE_CASE		=						os.environ.get(_SCREAMING_SNAKE_CASE ,						str(_SCREAMING_SNAKE_CASE	)	)
      return strtobool(_SCREAMING_SNAKE_CASE	) == 1  # As its name indicates `strtobool` actually returns an int...



def    __lowercase   (      _SCREAMING_SNAKE_CASE ,						_SCREAMING_SNAKE_CASE="no"	) ->   Any:


      '''simple docstring'''


      SCREAMING_SNAKE_CASE		=						os.environ.get(_SCREAMING_SNAKE_CASE ,						str(_SCREAMING_SNAKE_CASE	)	)
      return value


