USE THE PYTHON ONLY Sudoku Game Check Please write a Python program to check a Sudoku...
USE THE PYTHON ONLY
Sudoku Game
Check Please write a Python program to check a Sudoku game and show its result in detail. This is an application program of using 2-dimensional arrays or lists. Each array or list is a game board of 9 x 9. Your program must check the 9 x 9 game board, and report all the problems among 9 rows, 9 columns, and 9 squares. As you can see, you must pre-load the following four games into your arrays or lists. Please create four lists of 9 x 9 each, and call them S1, S2, S3, and S4 respectively. The complete output of your 4 games must look as follows.
Welcome to play the Sudoku Game Check of "XX"!
1===================================.
Your game 1 is as follows:
123456789
234567891
345678912
456789123
567891234
678912345
789123456
891234567
912345678
Your game 1:
Square 1 has a problem.
Square 2 has a problem.
Square 3 has a problem.
Square 4 has a problem.
Square 5 has a problem.
Square 6 has a problem.
Square 7 has a problem.
Square 8 has a problem.
Square 9 has a problem.
2===================================.
Your game 2 is as follows:
123456789
456789123
789123456
234567891
567891234
891234567
345678912
678912345
912345678
Your game 2:
Congratulations! You won the game.
3==================================.
Your game 3 is as follows:
123456782
456789123
789123456
234567891
567891234
891234567
345678912
678912345
912345678
Your game 3:
Row 1 has a problem.
Column 9 has a problem.
Square 3 has a problem.
4===================================.
Your game 4 is as follows:
123456789
456789123
789123456
234567891
567891234
891234567
345678912
678918345
912345678
Your game 4:
Row 8 has a problem.
Column 6 has a problem.
Square 8 has a problem.
5===================================.
Thank you for playing this Sudoku Game Check of "XX"!
6===================================.
Some programming techniques:
Your main program may have the following code to drive your game 1:
print("Your game 1 is as follows: " )
showGame(S1) # to print 9x9 game board
print("Your game 1: ")
checkGame(S1) # to check 9 rows/columns/squares
Your checkGame( ) function need to call the following 3 functions:
RowOK(S1, row) to check row: 0 through 8 (meaning 1 through 9 from user’s view).
ColumnOK(S1,column) to check column: 0 through 8 (meaning 1 through 9 from user’s view).
SquareOK(S1, square) to check square: 0 through 8 (meaning 1 through 9 from user’s view).
Your S1 may be defined as follows: # nice to show row index 0 to 8 and column index 0 to 8
S1 = [ # Game 1
# column index: 0 1 2 3 4 5 6 7 8
[1,2,3,4,5,6,7,8,9], # row index 0
[2,3,4,5,6,7,8,9,1], # 1
[3,4,5,6,7,8,9,1,2], # 2
[4,5,6,7,8,9,1,2,3], # 3
[5,6,7,8,9,1,2,3,4], # 4
[6,7,8,9,1,2,3,4,5], # 5
[7,8,9,1,2,3,4,5,6], # 6
[8,9,1,2,3,4,5,6,7], # 7
[9,1,2,3,4,5,6,7,8] ] # 8
How to define Slist1 to be Square 1?
Slist1=[S[0][0],S[0][1],S[0][2],S[1][0],S[1][1],S[1][2],S[2][0],S[2][1],S[2][2]] # Square 1 (red)
How to define Slist9 to be Square 9?
Slist9=[S[6][6],S[6][7],S[6][8],S[7][6],S[7][7],S[7][8],S[8][6],S[8][7],S[8][8]] # Square 9 (purple)
The above hard-coded statements are easier ways to define squares. You may use nested for loops to set up all 9 squares in a function.
Your checkGame( ) function may look as follows:
def checkGame(S): # check game board S for 9 rows, 9 cols, 9 squares
countBad = 0 # count how many problems being detected
for r in range(9): # 9 rows check: 0 to 8
if (not RowOK(S, r) ):
print("Row ", r+1, " has a problem.")
countBad += 1
for c in range(9): # 9 columns check: 0 to 8
# more coding here ###################
for q in range(9): # 9 squares check: 0 to 8, actually they mean square 1 to 9
# more coding here ###################
if countBad == 0: # perfect game
print("Congratulations! You won the game.")
Your RowOK( ) function may look as follows:
def RowOK(S, r): # check Row OK
goodlist = [1,2,3,4,5,6,7,8,9] # a perfect list of 1 thru 9 sorted order
slist = S[r] # get row r: 0 to 8
clist = [ ] # We must make a real copy of the original source list
for element in slist:
clist.append(element) # make a real copy to avoid side effect to the original 9x9 array
clist.sort( ) # sort the list before comparing with goodlist
return (clist == goodlist) # true means OK since they are equal
Homework Answers
Given below are screenshoys of code & output:
Code:
![- 5 x PS Sign-Language-master [C:\Users\naman\Downloads\Sign-Language-master Sign-Language-master] - ... sudokochecker.py (Si](http://img.homeworklib.com/questions/c6a23580-a2f9-11eb-b417-1547e9850d5b.png?x-oss-process=image/resize,w_560)
![- 5 x PS Sign-Language-master [C:\Users\naman\Downloads\Sign-Language-master Sign-Language-master] - ... sudokochecker.py (Si](http://img.homeworklib.com/questions/c7cb6620-a2f9-11eb-90b3-4fa36edf64d4.png?x-oss-process=image/resize,w_560)
Oitput:
![- x PS Sign-Language-master [C:\Users\naman\Downloads\Sign-Language-master Sign-Language-master] - ... sudokochecker.py (Sign](http://img.homeworklib.com/questions/c853cfc0-a2f9-11eb-a6f1-3de1be82ef77.png?x-oss-process=image/resize,w_560)
![- x PS Sign-Language-master [C:\Users\naman\Downloads\Sign-Language-master Sign-Language-master] - ... sudokochecker.py (Sign](http://img.homeworklib.com/questions/c8de6560-a2f9-11eb-b153-dd49990116ee.png?x-oss-process=image/resize,w_560)
Given below is the python code for the same. I have used almost the same procedure as in the template mentioned in question. However instead of separately checking for rows,columns and square grids I created their copies as lists of lists in checkGame method and used a single generalized method OK which checks if the list is valid for sudoku. The output is generated in same format as mentioned in question
NOTE: The pasted code often loses its indentation after being post. In case ,the below code loses indentation please refer to above screenshots for proper indentation.
#function to play sudoku grid
def showGame(S):
for row in S:
for element in row:
print(element,end='')
print()
#check if a given list is OK: generalizing for rows, columns and squares
def OK(list):
goodlist = [1,2,3,4,5,6,7,8,9]
return sorted(list)==goodlist
#function to check board
def checkgame(S):
countBad = 0 # count how many problems being detected
#For Making copies of rows, columns & squares of sudoku
Rows = [[]for i in range(9)]
Columns=[[]for i in range(9)]
Squares=[[]for i in range(9)]
#copying rows
for i in range(9):
for j in range(9):
Rows[i].append(S[i][j])
#copying columns
for i in range(9):
for j in range(9):
Columns[i].append(S[j][i])
#copying squares
for s in range(9):
for i in range(3*(s//3),3*(s//3)+3):
for j in range(3*(s%3),3*(s%3)+3):
Squares[s].append(S[i][j])
#checking if a row is valid
for r in range(9):
if not OK(Rows[r]):
print("Row ",r+1," has a problem.")
countBad+=1
#checking if a column is valid
for c in range(9):
if not OK(Columns[c]):
print("Column ",c+1," has a problem.")
countBad+=1
#checking if a square is valid
for q in range(9):
if not OK(Squares[q]):
print("Square ",q+1," has a problem.")
countBad+=1
# if everything is valid prompt that you have won
if countBad == 0:
print("Congratulations! You won the game.")
#pre-loading S1,S2,S3,S4
S1=[[1, 2, 3, 4, 5, 6, 7, 8, 9], [2, 3, 4, 5, 6, 7, 8, 9, 1], [3, 4, 5, 6, 7, 8, 9, 1, 2], [4, 5, 6, 7, 8, 9, 1, 2, 3], [5, 6, 7, 8, 9, 1, 2, 3, 4], [6, 7, 8, 9, 1, 2, 3, 4, 5], [7, 8, 9, 1, 2, 3, 4, 5, 6], [8, 9, 1, 2, 3, 4, 5, 6, 7], [9, 1, 2, 3, 4, 5, 6, 7, 8]]
S2=[[1, 2, 3, 4, 5, 6, 7, 8, 9], [4, 5, 6, 7, 8, 9, 1, 2, 3], [7, 8, 9, 1, 2, 3, 4, 5, 6], [2, 3, 4, 5, 6, 7, 8, 9, 1], [5, 6, 7, 8, 9, 1, 2, 3, 4], [8, 9, 1, 2, 3, 4, 5, 6, 7], [3, 4, 5, 6, 7, 8, 9, 1, 2], [6, 7, 8, 9, 1, 2, 3, 4, 5], [9, 1, 2, 3, 4, 5, 6, 7, 8]]
S3=[[1, 2, 3, 4, 5, 6, 7, 8, 2], [4, 5, 6, 7, 8, 9, 1, 2, 3], [7, 8, 9, 1, 2, 3, 4, 5, 6], [2, 3, 4, 5, 6, 7, 8, 9, 1], [5, 6, 7, 8, 9, 1, 2, 3, 4], [8, 9, 1, 2, 3, 4, 5, 6, 7], [3, 4, 5, 6, 7, 8, 9, 1, 2], [6, 7, 8, 9, 1, 2, 3, 4, 5], [9, 1, 2, 3, 4, 5, 6, 7, 8]]
S4=[[1, 2, 3, 4, 5, 6, 7, 8, 9], [4, 5, 6, 7, 8, 9, 1, 2, 3], [7, 8, 9, 1, 2, 3, 4, 5, 6], [2, 3, 4, 5, 6, 7, 8, 9, 1], [5, 6, 7, 8, 9, 1, 2, 3, 4], [8, 9, 1, 2, 3, 4, 5, 6, 7], [3, 4, 5, 6, 7, 8, 9, 1, 2], [6, 7, 8, 9, 1, 8, 3, 4, 5], [9, 1, 2, 3, 4, 5, 6, 7, 8]]
#displaying output for the 4 pre-loaded games
print("Welcome to play the Sudoku Game Check of \"XX\"!")
#GAME 1
print("1=================================================")
print("Your game 1 is as follows:")
showGame(S1)
print("Your game 1:")
checkgame(S1)
#GAME 2
print("2=================================================")
print("Your game 2 is as follows:")
showGame(S2)
print("Your game 2:")
checkgame(S2)
#GAME 3
print("3=================================================")
print("Your game 3 is as follows:")
showGame(S3)
print("Your game 3:")
checkgame(S3)
#GAME 4
print("4=================================================")
print("Your game 4 is as follows:")
showGame(S4)
print("Your game 4:")
checkgame(S4)
print("5=================================================")
print("Thank you for playing this Sudoku Game Check of \"XX\"!")
print("6=================================================")
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