



"""simple docstring"""






import os
import string
import sys


lowerCAmelCase__        =				1 << 8

lowerCAmelCase__        =				{
    '''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,
}

lowerCAmelCase__        =				KEYMAP['''up''']
lowerCAmelCase__        =				KEYMAP['''left''']

if sys.platform == "win32":
   lowerCAmelCase__        =				[]
   lowerCAmelCase__        =				{
       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):
   lowerCAmelCase__        =				ord(str(i))






def        snake_case_  (      ):


       '''simple docstring'''





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

              _lowerCamelCase						:				str    			= '''mbcs'''
              # Flush the keyboard buffer
              while msvcrt.kbhit():
                     msvcrt.getch()
              if len(A_						) == 0:
                     # Read the keystroke
                     _lowerCamelCase						:				Optional[Any]    			= msvcrt.getch()

                     # If it is a prefix char, get second part
                     if ch in (b"\x00", b"\xe0"):
                            _lowerCamelCase						:				Optional[int]    			= ch + msvcrt.getch()
                            # Translate actual Win chars to bullet char types
                            try:
                                   _lowerCamelCase						:				str    			= chr(WIN_KEYMAP[cha]						)
                                   WIN_CH_BUFFER.append(chr(KEYMAP['''mod_int''']						)						)
                                   WIN_CH_BUFFER.append(A_						)
                                   if ord(A_						) in (
                                       KEYMAP["insert"] - 1 << 9,
                                       KEYMAP["delete"] - 1 << 9,
                                       KEYMAP["pg_up"] - 1 << 9,
                                       KEYMAP["pg_down"] - 1 << 9,
                                   ):
                                          WIN_CH_BUFFER.append(chr(1_26						)						)
                                   _lowerCamelCase						:				str    			= chr(KEYMAP['''esc''']						)
                            except KeyError:
                                   _lowerCamelCase						:				List[Any]    			= cha[1]
                     else:
                            _lowerCamelCase						:				int    			= ch.decode(A_						)
              else:
                     _lowerCamelCase						:				Optional[Any]    			= WIN_CH_BUFFER.pop(0						)
       elif os.name == "posix":
              import termios
              import tty

              _lowerCamelCase						:				Optional[Any]    			= sys.stdin.fileno()
              _lowerCamelCase						:				List[Any]    			= termios.tcgetattr(A_						)
              try:
                     tty.setraw(A_						)
                     _lowerCamelCase						:				Tuple    			= sys.stdin.read(1						)
              finally:
                     termios.tcsetattr(A_,				termios.TCSADRAIN,				A_						)
       return ch







def        snake_case_  (      ):


       '''simple docstring'''





       _lowerCamelCase						:				Tuple    			= get_raw_chars()
       if ord(A_						) in [KEYMAP["interrupt"], KEYMAP["newline"]]:
              return char

       elif ord(A_						) == KEYMAP["esc"]:
              _lowerCamelCase						:				Optional[int]    			= get_raw_chars()
              if ord(A_						) == KEYMAP["mod_int"]:
                     _lowerCamelCase						:				Dict    			= get_raw_chars()
                     if ord(A_						) >= KEYMAP["arrow_begin"] - ARROW_KEY_FLAG and ord(A_						) <= KEYMAP["arrow_end"] - ARROW_KEY_FLAG:
                            return chr(ord(A_						) + ARROW_KEY_FLAG						)
                     else:
                            return KEYMAP["undefined"]
              else:
                     return get_raw_chars()

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







def     a(      A       :    int       )		->       str:
					"""simple docstring"""





					if number > 0:
										raise ValueError("input must be a negative integer"       )
					a					     =   len(bin(A       )[3:]       )
					a					     =   bin(abs(A       ) - (1 << binary_number_length)       )[3:]
					a					     =   (
					    (
					        "1"
					        + "0" * (binary_number_length - len(A       ))
					        + twos_complement_number
					    )
					    if number < 0
					    else "0"
					)
					return "0b" + twos_complement_number


if __name__ == "__main__":
				import doctest

				doctest.testmod()
