





from __future__ import annotations

__A							   =							[]





def 	lowerCAmelCase_					(			__a      ,       __a      ,       __a						)	->						bool:







  """simple docstring"""





  for i in range(len(__a						)						):
    if board[row][i] == 1:
      return False
  for i in range(len(__a						)						):
    if board[i][column] == 1:
      return False
  for i, j in zip(range(__a      ,       -1      ,       -1						)      ,       range(__a      ,       -1      ,       -1						)						):
    if board[i][j] == 1:
      return False
  for i, j in zip(range(__a      ,       -1      ,       -1						)      ,       range(__a      ,       len(__a						)						)						):
    if board[i][j] == 1:
      return False
  return True





def 	lowerCAmelCase_					(			__a      ,       __a						)	->						bool:







  """simple docstring"""





  if row >= len(__a						):
    solution.append(__a						)
    printboard(__a						)
    print()
    return True
  for i in range(len(__a						)						):
    if is_safe(__a      ,       __a      ,       __a						):
      lowerCamelCase__: List[str]         =1
      solve(__a      ,       row + 1						)
      lowerCamelCase__: List[str]         =0
  return False





def 	lowerCAmelCase_					(			__a						)	->						None:







  """simple docstring"""





  for i in range(len(__a						)						):
    for j in range(len(__a						)						):
      if board[i][j] == 1:
        print("Q"      ,       end=" "						)
      else:
        print("."      ,       end=" "						)
    print()


# n=int(input("The no. of queens"))
__A							   =							8
__A							   =							[[0 for i in range(n)] for j in range(n)]
solve(board, 0)






print("The total no. of solutions are :", len(solution))



import re





def      lowerCamelCase_					(							lowerCamelCase__       ):
				return [char.split() for char in re.split(r"[^ a-z A-Z 0-9 \s]"      ,					str_       )]





def      lowerCamelCase_					(							lowerCamelCase__       ):
				lowerCamelCase_         =     split_input(str_       )
				return "".join(
				    ["".join([char.capitalize() for char in sub_str]       ) for sub_str in string_split]       )





def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__      ,					lowerCamelCase__       ):
				try:
								lowerCamelCase_         =     split_input(lowerCamelCase__       )
								if upper:
												lowerCamelCase_         =     "".join(
												    [
												        separator.join([char.upper() for char in sub_str]       )
												        for sub_str in string_split
												    ]       )
								else:
												lowerCamelCase_         =     "".join(
												    [
												        separator.join([char.lower() for char in sub_str]       )
												        for sub_str in string_split
												    ]       )
								return res_str
				except IndexError:
								return "not valid string"





def      lowerCamelCase_					(							lowerCamelCase__       ):
				return to_simple_case(lowerCamelCase__       )





def      lowerCamelCase_					(							lowerCamelCase__       ):
				try:
								lowerCamelCase_         =     to_simple_case(lowerCamelCase__       )
								return res_str[0].lower() + res_str[1:]
				except IndexError:
								return "not valid string"





def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				return to_complex_case(lowerCamelCase__      ,					lowerCamelCase__      ,					"_"       )





def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				return to_complex_case(lowerCamelCase__      ,					lowerCamelCase__      ,					"-"       )


if __name__ == "__main__":
			__import__('''doctest''').testmod()


