




from __future__ import annotations

from typing import Any







class   A:



 '''simple docstring'''


 def __init__(				self					:  Optional[int]						,							A_					:  int						,							A_					:  int						,							A_					:  float = 0  )   ->	None:

       """simple docstring"""






       lowerCamelCase_     ,				lowerCamelCase_		     =    row, column
       lowerCamelCase_		     =    [[default_value for c in range(A_  )] for r in range(A_  )]

 def __str__(				self					:  Union[str, Any]  )   ->	str:

       """simple docstring"""






       lowerCamelCase_		     =    f"""Matrix consist of {self.row} rows and {self.column} columns\n"""

       # Make string identifier
       lowerCamelCase_		     =    0
       for row_vector in self.array:
             for obj in row_vector:
                   lowerCamelCase_		     =    max(A_						,							len(str(A_  )  )  )
       lowerCamelCase_		     =    f"""%{max_element_length}s"""

       # Make string and return
       def single_line(A_					:  list[float]  ) -> str:
             nonlocal string_format_identifier
             lowerCamelCase_		     =    '['
             line += ", ".join(string_format_identifier % (obj,) for obj in row_vector  )
             line += "]"
             return line

       s += "\n".join(single_line(A_  ) for row_vector in self.array  )
       return s

 def __repr__(				self					:  Optional[Any]  )   ->	str:

       """simple docstring"""






       return str(self  )

 def 				a__ (				self					:  str						,							A_					:  tuple[int, int]  )   ->	bool:

       """simple docstring"""






       if not (isinstance(A_						,							(list, tuple)  ) and len(A_  ) == 2):
             return False
       elif not (0 <= loc[0] < self.row and 0 <= loc[1] < self.column):
             return False
       else:
             return True

 def __getitem__(				self					:  Tuple						,							A_					:  tuple[int, int]  )   ->	Any:

       """simple docstring"""






       assert self.validate_indicies(A_  )
       return self.array[loc[0]][loc[1]]

 def __setitem__(				self					:  Optional[Any]						,							A_					:  tuple[int, int]						,							A_					:  float  )   ->	None:

       """simple docstring"""






       assert self.validate_indicies(A_  )
       lowerCamelCase_		     =    value

 def __add__(				self					:  List[Any]						,							A_					:  Matrix  )   ->	Matrix:

       """simple docstring"""






       assert isinstance(A_						,							A_  )
       assert self.row == another.row and self.column == another.column

       # Add
       lowerCamelCase_		     =    Matrix(self.row						,							self.column  )
       for r in range(self.row  ):
             for c in range(self.column  ):
                   lowerCamelCase_		     =    self[r, c] + another[r, c]
       return result

 def __neg__(				self					:  Dict  )   ->	Matrix:

       """simple docstring"""






       lowerCamelCase_		     =    Matrix(self.row						,							self.column  )
       for r in range(self.row  ):
             for c in range(self.column  ):
                   lowerCamelCase_		     =    -self[r, c]
       return result

 def __sub__(				self					:  int						,							A_					:  Matrix  )   ->	Matrix:

       """simple docstring"""






       return self + (-another)

 def __mul__(				self					:  Optional[int]						,							A_					:  int | float | Matrix  )   ->	Matrix:

       """simple docstring"""






       if isinstance(A_						,							(int, float)  ):  # Scalar multiplication
             lowerCamelCase_		     =    Matrix(self.row						,							self.column  )
             for r in range(self.row  ):
                   for c in range(self.column  ):
                         lowerCamelCase_		     =    self[r, c] * another
             return result
       elif isinstance(A_						,							A_  ):  # Matrix multiplication
             assert self.column == another.row
             lowerCamelCase_		     =    Matrix(self.row						,							another.column  )
             for r in range(self.row  ):
                   for c in range(another.column  ):
                         for i in range(self.column  ):
                               result[r, c] += self[r, i] * another[i, c]
             return result
       else:
             lowerCamelCase_		     =    f"""Unsupported type given for another ({type(A_  )})"""
             raise TypeError(A_  )

 def 				a__ (				self					:  Dict  )   ->	Matrix:

       """simple docstring"""






       lowerCamelCase_		     =    Matrix(self.column						,							self.row  )
       for r in range(self.row  ):
             for c in range(self.column  ):
                   lowerCamelCase_		     =    self[r, c]
       return result





 def 				a__ (				self					:  List[str]						,							A_					:  Matrix						,							A_					:  Matrix  )   ->	Any:

       """simple docstring"""






       assert isinstance(A_						,							A_  ) and isinstance(A_						,							A_  )
       assert self.row == self.column == u.row == v.row  # u, v should be column vector
       assert u.column == v.column == 1  # u, v should be column vector

       # Calculate
       lowerCamelCase_		     =    v.transpose()
       lowerCamelCase_		     =    (v_t * self * u)[0, 0] + 1
       if numerator_factor == 0:
             return None  # It's not invertable
       return self - ((self * u) * (v_t * self) * (1.0 / numerator_factor))


# Testing
if __name__ == "__main__":

 def 			_SCREAMING_SNAKE_CASE			(							):


       '''simple docstring'''



       lowerCamelCase_		     =    Matrix(3	,							3	,							0     )
       for i in range(3     ):
             lowerCamelCase_		     =    1
       print(f"""a^(-1) is {ainv}"""     )
       # u, v
       lowerCamelCase_		     =    Matrix(3	,							1	,							0     )
       lowerCamelCase_     ,				lowerCamelCase_     ,				lowerCamelCase_		     =    1, 2, -3
       lowerCamelCase_		     =    Matrix(3	,							1	,							0     )
       lowerCamelCase_     ,				lowerCamelCase_     ,				lowerCamelCase_		     =    4, -2, 5
       print(f"""u is {u}"""     )
       print(f"""v is {v}"""     )
       print(f"""uv^T is {u * v.transpose()}"""     )
       # Sherman Morrison
       print(f"""(a + uv^T)^(-1) is {ainv.sherman_morrison(lowercase	,							lowercase     )}"""     )

 def 			_SCREAMING_SNAKE_CASE			(							):


       '''simple docstring'''



       import doctest

       doctest.testmod()






 testa()









from datetime import datetime

import requests
from bsa import BeautifulSoup

if __name__ == "__main__":
 lowerCamelCase				:		int     =   input("Enter image url: ").strip()
 print(F"""Downloading image from {url} ...""")
 lowerCamelCase				:		Tuple     =   BeautifulSoup(requests.get(url).content, "html.parser")
 # The image URL is in the content field of the first meta tag with property og:image
 lowerCamelCase				:		int     =   soup.find("meta", {"property": "og:image"})["content"]
 lowerCamelCase				:		Dict     =   requests.get(image_url).content
 lowerCamelCase				:		Optional[int]     =   F"""{datetime.now():%Y-%m-%d_%H:%M:%S}.jpg"""
 with open(file_name, "wb") as fp:
  fp.write(image_data)
 print(F"""Done. Image saved to disk as {file_name}.""")



