






import builtins
import sys

from ...utils.imports import _is_package_available
from . import cursor, input
from .helpers import Direction, clear_line, forceWrite, linebreak, move_cursor, reset_cursor, writeColor
from .keymap import KEYMAP


SCREAMING_SNAKE_CASE__											=     False
try:
     SCREAMING_SNAKE_CASE__											=     _is_package_available('google.colab')
except ModuleNotFoundError:
     pass






@input.register
class        a_		:

  def __init__(   self    ,	_SCREAMING_SNAKE_CASE = None    ,	_SCREAMING_SNAKE_CASE = []   )						->   Tuple:



        """simple docstring"""






        UpperCamelCase       						=      0
        UpperCamelCase       						=      choices
        UpperCamelCase       						=      prompt
        if sys.platform == "win32":
              UpperCamelCase       						=      """*"""
        else:
              UpperCamelCase       						=      """➔ """

  def 						A__		(   self    ,	_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE = ""   )						->   Tuple:



        """simple docstring"""






        if sys.platform != "win32":
              writeColor(self.choices[index]    ,	32    ,	lowercase__   )
        else:
              forceWrite(self.choices[index]    ,	lowercase__   )

  def 						A__		(   self    ,	_SCREAMING_SNAKE_CASE   )						->   Optional[int]:



        """simple docstring"""






        if index == self.position:
              forceWrite(F" {self.arrow_char} "   )
              self.write_choice(lowercase__   )
        else:
              forceWrite(F"    {self.choices[index]}"   )
        reset_cursor()

  def 						A__		(   self    ,	_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE = 1   )						->   int:



        """simple docstring"""






        UpperCamelCase       						=      self.position
        if direction == Direction.DOWN:
              if self.position + 1 >= len(self.choices   ):
                    return
              self.position += num_spaces
        else:
              if self.position - 1 < 0:
                    return
              self.position -= num_spaces
        clear_line()
        self.print_choice(lowercase__   )
        move_cursor(lowercase__    ,	direction.name   )
        self.print_choice(self.position   )

  @input.mark(KEYMAP["""up"""]   )
  def 						A__		(   self   )						->   Union[str, Any]:



        """simple docstring"""






        self.move_direction(Direction.UP   )

  @input.mark(KEYMAP["""down"""]   )
  def 						A__		(   self   )						->   Tuple:



        """simple docstring"""






        self.move_direction(Direction.DOWN   )

  @input.mark(KEYMAP["""newline"""]   )
  def 						A__		(   self   )						->   Tuple:



        """simple docstring"""






        move_cursor(len(self.choices   ) - self.position    ,	"""DOWN"""   )
        return self.position

  @input.mark(KEYMAP["""interrupt"""]   )
  def 						A__		(   self   )						->   Tuple:



        """simple docstring"""






        move_cursor(len(self.choices   ) - self.position    ,	"""DOWN"""   )
        raise KeyboardInterrupt

  @input.mark_multiple(*[KEYMAP[str(lowercase__   )] for number in range(10   )]   )
  def 						A__		(   self   )						->   Tuple:



        """simple docstring"""






        UpperCamelCase       						=      int(chr(self.current_selection   )   )
        UpperCamelCase       						=      index - self.position
        if index == self.position:
              return
        if index < len(self.choices   ):
              if self.position > index:
                    self.move_direction(Direction.UP    ,	-movement   )
              elif self.position < index:
                    self.move_direction(Direction.DOWN    ,	lowercase__   )
              else:
                    return
        else:
              return


  def 						A__		(   self    ,	_SCREAMING_SNAKE_CASE = 0   )						->   List[str]:



        """simple docstring"""






        if self.prompt:
              linebreak()
              forceWrite(self.prompt    ,	"""\n"""   )
              if in_colab:
                    forceWrite("""Please input a choice index (starting from 0), and press enter"""    ,	"""\n"""   )
              else:
                    forceWrite("""Please select a choice using the arrow or number keys, and selecting with enter"""    ,	"""\n"""   )
        UpperCamelCase       						=      default_choice
        for i in range(len(self.choices   )   ):
              self.print_choice(lowercase__   )
              forceWrite("""\n"""   )
        move_cursor(len(self.choices   ) - self.position    ,	"""UP"""   )
        with cursor.hide():
              while True:
                    if in_colab:
                          try:
                                UpperCamelCase       						=      int(builtins.input()   )
                          except ValueError:
                                UpperCamelCase       						=      default_choice
                    else:
                          UpperCamelCase       						=      self.handle_input()
                    if choice is not None:
                          reset_cursor()
                          for _ in range(len(self.choices   ) + 1   ):
                                move_cursor(1    ,	"""UP"""   )
                                clear_line()
                          self.write_choice(lowercase__    ,	"""\n"""   )
                          return choice








'''simple docstring'''

from __future__ import annotations







def 					lowercase__				(   __UpperCamelCase	,		__UpperCamelCase	,		__UpperCamelCase					)->				tuple[float, list[float]]:
      UpperCamelCase       						=      list(range(len(__UpperCamelCase					)					)					)
      UpperCamelCase       						=      [v / w for v, w in zip(__UpperCamelCase	,		__UpperCamelCase					)]
      index.sort(key=lambda __UpperCamelCase					: ratio[i]	,		reverse=__UpperCamelCase					)

      UpperCamelCase       						=      0
      UpperCamelCase       						=      [0] * len(__UpperCamelCase					)
      for i in index:
            if weight[i] <= capacity:
                  UpperCamelCase       						=      1
                  max_value += value[i]
                  capacity -= weight[i]
            else:
                  UpperCamelCase       						=      capacity / weight[i]
                  max_value += value[i] * capacity / weight[i]
                  break

      return max_value, fractions


if __name__ == "__main__":
     import doctest

     doctest.testmod()
