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``` #<><><><><><><><><><><><><><><><><><><><><><><><> sodoko puzzle <><><><><><><><><><><><><><><><><><><><><><><><>

#  By : Amir Naghvi #
#  Olempico@Gmail.com  #

global Platform
global fill
fill=False # to not printing type of mistake while asighning table automaticaly.
Platform=[[0 for i in  "."*9]for i in "."*9] # Main table to Handle Game

import random
class main(object):
"------------- start --------------"
def __init__(self):
pass

def gameloop(self): # ----------------GAME LOOP
self.Fill()
while True:
o=raw_input('to show puzzle enter s to quit enter q: ')
if o=="s":self.show()
elif o=="q":return
(x,y,num)=input('first X then Y then NUM like  X,Y,NUMBER:  ')
if self.give(x,y,num):
print "True"
else:
print "you entered incorrect";
self.show()

def show(self): # -------To Printing puzzle
c1=0
c2=0
for i in Platform:
if c1%3==0:print">>>"*30,
print "     "
c1+=1
for j in i:
c2+=1
if j==0:
print " ","_ _"," ",
if c2%3==0:print "||",;
else:
print " ",j," "," ",
if c2%3==0:print "||",;
print "\n";
print "\n\n";

def give(self,x,y,NUM):  # ---for recieving number and it's position
""" first checks if the position in not filled then change position's number
then if the number is not valid changes the position number to 0 again and returns False"""

if Platform[x-1][y-1]!=0:
if not fill:
return False
Platform [x-1][y-1]=NUM
if not self.control(x,y)==True:
Platform [x-1][y-1]=0
return False
else:
return True

def control(slef,x,y):
"""There is Three checking stages:1st we find the number's row ,column and cube number then
check if the row has not the same numbers  ,2nd we collect the number's colmn neigbours in 'colmns' list
and simply do checking again 3rd: for checking the number in its cube area i explain below:"""
row=x-1;#print row
col=y-1;#print col

# 1. row test >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.1
rows=[Platform[row][i] for i in range(9)]
#print rows
for i in range(9):
for j in range(9):
if j!=i:
if rows[i]==rows[j] and rows[i]!=0 and rows[j]!=0:
if not fill:
print 'row'
return False

# 2. column test >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.2
colmns=[Platform[i][col] for i in range(9)]
for i in range(9):
for j in range(9):
if j!=i:
if colmns[i]==colmns[j] and colmns[j]!=0 and colmns[i]!=0:
if not fill:
print 'col'
return False

# 3. 3x3 Cubes >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.3
""" 1.frst for 'first' cube number in X attitiude and sec second cube number in y ,for example centeral cube is (3,3)
or first cube from bottom is (0,6) 2.then in 'cube' list i gather the cube numbers and 3.then simply check if there is a
repeated numbers"""
# 1.
frst=-1
sec=-1
if row<3:frst=0
elif row<6:frst=3
elif row<9:frst=6
if col<3:sec=0
elif col<6:sec=3
elif col<9:sec=6
# 2.
cube=[Platform[frst][sec+i]for i in range(3)] # creating cube
cube.extend([Platform[frst+1][sec+i]for i in range(3)])
cube.extend([Platform[frst+2][sec+i]for i in range(3)])
#print cube
# 3.
for i in range(9):
for j in range(9):
if j!=i:
if cube[i]==cube[j] and cube[i]!=0 and cube[j]!=0:
if not fill:
print 'cube'
return False
return True

def Fill(self):
global fill
fill=True
c=0
limit=random.randint(14,30)
while c<=limit:
(x,y,num)=(random.randint(1,9),random.randint(1,9),random.randint(1,10))
if self.give(x,y,num):
c+=1
self.show()
fill=False

# ---------------------------------------------------------------------
# ---------------------------------------------------------------------
if __name__=="__main__":
o=main()
o.gameloop()
```

#### Diff to Previous Revision

```--- revision 6 2011-05-23 14:46:27
+++ revision 7 2011-05-23 14:50:14
@@ -125,8 +125,7 @@
global fill
fill=True
c=0
-        #limit=random.randint(14,30)
-        limit=81
+        limit=random.randint(14,30)
while c<=limit:
(x,y,num)=(random.randint(1,9),random.randint(1,9),random.randint(1,10))
if self.give(x,y,num):
```