Hi! Can you help me to fix these error messages I get? Here is also some previous codes for my sudoku assignments if they help. --- def row_correct(sudoku: list, row_no: int):   # Get the row to check   row = sudoku[row_no]     # Create a set to store the numbers that appear in the row   nums_in_row = set()     # Iterate through the elements in the row   for num in row:     # If the number is not 0 and it has already appeared in the set, return False     if num != 0 and num in nums_in_row:       return False     # If the number is not 0, add it to the set     elif num != 0:       nums_in_row.add(num)     # Return True if all checks pass   return True --- def column_correct(sudoku, column_no):     column = []     # Extract the values in the specified column     for row in sudoku:         column.append(row[column_no])     # Check if the column contains each number from 1 to 9 at most once     for i in range(1, 10):         if column.count(i) > 1:             return False     return True

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Hi! Can you help me to fix these error messages I get? Here is also some previous codes for my sudoku assignments if they help.

---

def row_correct(sudoku: list, row_no: int):
  # Get the row to check
  row = sudoku[row_no]
 
  # Create a set to store the numbers that appear in the row
  nums_in_row = set()
 
  # Iterate through the elements in the row
  for num in row:
    # If the number is not 0 and it has already appeared in the set, return False
    if num != 0 and num in nums_in_row:
      return False
    # If the number is not 0, add it to the set
    elif num != 0:
      nums_in_row.add(num)
 
  # Return True if all checks pass
  return True
---
def column_correct(sudoku, column_no):
    column = []
    # Extract the values in the specified column
    for row in sudoku:
        column.append(row[column_no])
    # Check if the column contains each number from 1 to 9 at most once
    for i in range(1, 10):
        if column.count(i) > 1:
            return False
    return True
FAIL: Sudoku Test: test_3_functinality_with_invalids
local variable 'val' referenced before assignment
FAIL: Sudoku Test: test_4_functionality_with_valids
Varmista että seuraava kutsu toimii
sudoku = [
[ 2, 6, 7, 8, 3, 9, 5, 0, 4 ],
[ 9, 0, 3, 5, 1, 0, 6, 0, 0],
[ 0, 5, 1, 6, 0, 0, 8, 3, 9 ],
2, 8 ],
[ 5, 1, 9, 0, 4, 6, 3,
[ 8, 0, 2, 1, 0, 5, 7, 0, 6 ],
[ 6, 7, 4, 3, 2, 0, 0, 0, 5 ],
[ 0, 0, 0, 4, 5,
7, 2, 6, 3 ],
[ 3, 2, 0, 0, 8, 0, 0, 5, 7 ],
[ 7, 4, 5, 0, 0, 3, 9, 0, 1 ],
]
sudoku_grid_correct (sudoku)
Transcribed Image Text:FAIL: Sudoku Test: test_3_functinality_with_invalids local variable 'val' referenced before assignment FAIL: Sudoku Test: test_4_functionality_with_valids Varmista että seuraava kutsu toimii sudoku = [ [ 2, 6, 7, 8, 3, 9, 5, 0, 4 ], [ 9, 0, 3, 5, 1, 0, 6, 0, 0], [ 0, 5, 1, 6, 0, 0, 8, 3, 9 ], 2, 8 ], [ 5, 1, 9, 0, 4, 6, 3, [ 8, 0, 2, 1, 0, 5, 7, 0, 6 ], [ 6, 7, 4, 3, 2, 0, 0, 0, 5 ], [ 0, 0, 0, 4, 5, 7, 2, 6, 3 ], [ 3, 2, 0, 0, 8, 0, 0, 5, 7 ], [ 7, 4, 5, 0, 0, 3, 9, 0, 1 ], ] sudoku_grid_correct (sudoku)
FAIL: Sudoku Test: test_0_main_program_ok
The code for testing the functions should be placed inside
if name
'___main__":
block. The following row should be moved:
N = 9
FAIL:
Sudoku Test: test_1_function_exists
Your code should contain function named as sudoku_grid_correct (sudoku: list)
FAIL: Sudoku Test: test_2_type_of_return_value
[[9, 0, 0, 0, 8, 0, 3, 0, 0], [², 0, 0, 2, 5, 0, 7, 0, 0], [0, 2, 0, 3, 0, 0, 0, 0, 4], [2,
9, 4, 0, 0, 0, 0, 0, 0], [0, 0, 0, 7, 3, 0, 5, 6, 0], [7, 0, 5, 0, 6, 0, 4, 0, 0], [0, 0, 7,
8, 0, 3, 9, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0, 3], [3, 0, 0, 0, 0, 0, 0, 0, 2]]
FAIL: Sudoku Test: test_3_functinality_with_invalids
local variable 'val' referenced before assignment
Transcribed Image Text:FAIL: Sudoku Test: test_0_main_program_ok The code for testing the functions should be placed inside if name '___main__": block. The following row should be moved: N = 9 FAIL: Sudoku Test: test_1_function_exists Your code should contain function named as sudoku_grid_correct (sudoku: list) FAIL: Sudoku Test: test_2_type_of_return_value [[9, 0, 0, 0, 8, 0, 3, 0, 0], [², 0, 0, 2, 5, 0, 7, 0, 0], [0, 2, 0, 3, 0, 0, 0, 0, 4], [2, 9, 4, 0, 0, 0, 0, 0, 0], [0, 0, 0, 7, 3, 0, 5, 6, 0], [7, 0, 5, 0, 6, 0, 4, 0, 0], [0, 0, 7, 8, 0, 3, 9, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0, 3], [3, 0, 0, 0, 0, 0, 0, 0, 2]] FAIL: Sudoku Test: test_3_functinality_with_invalids local variable 'val' referenced before assignment
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