






"""simple docstring"""


from __future__ import annotations

from decimal import Decimal

from numpy import array



def 					lowerCAmelCase				(    __UpperCamelCase ):




  """simple docstring"""







  __A									= Decimal

  # Check if the provided matrix has 2 rows and 2 columns
  # since this implementation only works for 2x2 matrices
  if len(__UpperCamelCase ) == 2 and len(matrix[0] ) == 2 and len(matrix[1] ) == 2:
    # Calculate the determinant of the matrix
    __A									= float(
        d(matrix[0][0] ) * d(matrix[1][1] ) - d(matrix[1][0] ) * d(matrix[0][1] ) )
    if determinant == 0:
      raise ValueError('''This matrix has no inverse.''' )

    # Creates a copy of the matrix with swapped positions of the elements
    __A									= [[0.0, 0.0], [0.0, 0.0]]
    __A			,    __A									= matrix[1][1], matrix[0][0]
    __A			,    __A									= -matrix[1][0], -matrix[0][1]

    # Calculate the inverse of the matrix
    return [
        [(float(d(__UpperCamelCase ) ) / determinant) or 0.0 for n in row] for row in swapped_matrix
    ]
  elif (
      len(__UpperCamelCase ) == 3
      and len(matrix[0] ) == 3
      and len(matrix[1] ) == 3
      and len(matrix[2] ) == 3
  ):
    # Calculate the determinant of the matrix using Sarrus rule
    __A									= float(
        (
            (d(matrix[0][0] ) * d(matrix[1][1] ) * d(matrix[2][2] ))
            + (d(matrix[0][1] ) * d(matrix[1][2] ) * d(matrix[2][0] ))
            + (d(matrix[0][2] ) * d(matrix[1][0] ) * d(matrix[2][1] ))
        )
        - (
            (d(matrix[0][2] ) * d(matrix[1][1] ) * d(matrix[2][0] ))
            + (d(matrix[0][1] ) * d(matrix[1][0] ) * d(matrix[2][2] ))
            + (d(matrix[0][0] ) * d(matrix[1][2] ) * d(matrix[2][1] ))
        ) )
    if determinant == 0:
      raise ValueError('''This matrix has no inverse.''' )

    # Creating cofactor matrix
    __A									= [
        [d(0.0 ), d(0.0 ), d(0.0 )],
        [d(0.0 ), d(0.0 ), d(0.0 )],
        [d(0.0 ), d(0.0 ), d(0.0 )],
    ]
    __A									= (d(matrix[1][1] ) * d(matrix[2][2] )) - (
        d(matrix[1][2] ) * d(matrix[2][1] )
    )
    __A									= -(
        (d(matrix[1][0] ) * d(matrix[2][2] )) - (d(matrix[1][2] ) * d(matrix[2][0] ))
    )
    __A									= (d(matrix[1][0] ) * d(matrix[2][1] )) - (
        d(matrix[1][1] ) * d(matrix[2][0] )
    )
    __A									= -(
        (d(matrix[0][1] ) * d(matrix[2][2] )) - (d(matrix[0][2] ) * d(matrix[2][1] ))
    )
    __A									= (d(matrix[0][0] ) * d(matrix[2][2] )) - (
        d(matrix[0][2] ) * d(matrix[2][0] )
    )
    __A									= -(
        (d(matrix[0][0] ) * d(matrix[2][1] )) - (d(matrix[0][1] ) * d(matrix[2][0] ))
    )
    __A									= (d(matrix[0][1] ) * d(matrix[1][2] )) - (
        d(matrix[0][2] ) * d(matrix[1][1] )
    )
    __A									= -(
        (d(matrix[0][0] ) * d(matrix[1][2] )) - (d(matrix[0][2] ) * d(matrix[1][0] ))
    )
    __A									= (d(matrix[0][0] ) * d(matrix[1][1] )) - (
        d(matrix[0][1] ) * d(matrix[1][0] )
    )

    # Transpose the cofactor matrix (Adjoint matrix)
    __A									= array(__UpperCamelCase )
    for i in range(3 ):
      for j in range(3 ):
        __A									= cofactor_matrix[j][i]

        # Inverse of the matrix using the formula (1/determinant) * adjoint matrix
    __A									= array(__UpperCamelCase )
    for i in range(3 ):
      for j in range(3 ):
        inverse_matrix[i][j] /= d(__UpperCamelCase )

        # Calculate the inverse of the matrix
    return [[float(d(__UpperCamelCase ) ) or 0.0 for n in row] for row in inverse_matrix]
  raise ValueError('''Please provide a matrix of size 2x2 or 3x3.''' )












"""simple docstring"""


import os
import sys
from contextlib import contextmanager


# Windows only
if os.name == "nt":
       import ctypes
       import msvcrt  # noqa


       class 					snake_case		(							ctypes.Structure						):


          '''simple docstring'''

          A_						:	List[str]						 = [("size", ctypes.c_int), ("visible", ctypes.c_byte)]



def 					lowerCAmelCase				(    ):




  """simple docstring"""







  if os.name == "nt":
    __A									= CursorInfo()
    __A									= ctypes.windll.kernelaa.GetStdHandle(-1_1 )
    ctypes.windll.kernelaa.GetConsoleCursorInfo(__UpperCamelCase		,       ctypes.byref(__UpperCamelCase ) )
    __A									= False
    ctypes.windll.kernelaa.SetConsoleCursorInfo(__UpperCamelCase		,       ctypes.byref(__UpperCamelCase ) )
  elif os.name == "posix":
    sys.stdout.write('''\033[?25l''' )
    sys.stdout.flush()



def 					lowerCAmelCase				(    ):




  """simple docstring"""







  if os.name == "nt":
    __A									= CursorInfo()
    __A									= ctypes.windll.kernelaa.GetStdHandle(-1_1 )
    ctypes.windll.kernelaa.GetConsoleCursorInfo(__UpperCamelCase		,       ctypes.byref(__UpperCamelCase ) )
    __A									= True
    ctypes.windll.kernelaa.SetConsoleCursorInfo(__UpperCamelCase		,       ctypes.byref(__UpperCamelCase ) )
  elif os.name == "posix":
    sys.stdout.write('''\033[?25h''' )
    sys.stdout.flush()





@contextmanager
def 					lowerCAmelCase				(    ):




  """simple docstring"""







  try:
    hide_cursor()
    yield
  finally:
    show_cursor()




