old_contents: from Tkinter import *
  
  root = Tk()
  root.resizable(0, 0)
  root.title("Minesweeper")
  frame = Frame(root)
  
  Grid.rowconfigure(root, 0, weight=1)
  Grid.columnconfigure(root, 0, weight=1)
  frame.grid(row=0, column=0)
  
  class Tiles:
  	def __init__(self, frame, size):
  		self.size = size
  		self.frame = frame
  		self.tiles[]
  
  		for x in range(self.size):
  			self.tiles.append([])
  			for y in range(self.size):
  				this.tiles[x].append(Button())
  				tiles[x][y] = Button(self.frame, text=' ', width=2, bd = 3, command=lambda row=x, col=y: self.clicked(row, col)
  				tiles[x][y].grid(row=x, column=y)
  
  		for x in range(this.size):
  			Grid.columnconfigure(frame, x, weight=1)
  
  		for y in range(this.size):
    			Grid.rowconfigure(frame, y, weight=1)
    	
  	def clicked(self, x, y):
  		tiles[x][y]["text"] = '@'
  		tiles[x][y]["relief"] = SUNKEN
  
  root.mainloop()
  
new_contents: from Tkinter import *
  from random import *
  
  root = Tk()
  root.resizable(0, 0)
  root.title("Minesweeper")
  frame = Frame(root)
  
  Grid.rowconfigure(root, 0, weight=1)
  Grid.columnconfigure(root, 0, weight=1)
  frame.grid(row=0, column=0)
  
  class Tiles:
      def __init__(self, frame, size, mines):
          self.size = size
          self.frame = frame
          self.mines = mines
          self.tiles = []
          self.minearray = []
  
          for x in range(self.size):
              self.tiles.append([])
              self.minearray.append([])
              for y in range(self.size):
                  self.minearray[x].append(0)
                  self.tiles[x].append(Button())
                  self.tiles[x][y] = Button(self.frame, text=' ', width=2, bd = 3, bg="#CDCDCD", command=lambda row=x, col=y: self.clicked(row, col))
                  self.tiles[x][y].grid(row=x, column=y)
  
          while self.mines > 0:
              randX = randint(0, size - 1)
              randY = randint(0, size - 1)
              if self.minearray[randX][randY] == 0:
                  self.minearray[randX][randY] = 1
                  self.mines -= 1
  
          print(self.minearray)
      
      def clicked(self, x, y):
          neighbors = 0
          self.tiles[x][y]["relief"] = SUNKEN
  
          if self.minearray[x][y] == 0:
              if x < self.size - 1 and self.minearray[x+1][y] == 1:
                  neighbors += 1
              if x < self.size - 1 and y < self.size - 1 and self.minearray[x+1][y+1] == 1:
                  neighbors += 1
              if x < self.size - 1 and y > 0 and self.minearray[x+1][y-1] == 1:
                  neighbors += 1
              if x > 0 and self.minearray[x-1][y] == 1:
                  neighbors += 1
              if x > 0 and y < self.size - 1 and self.minearray[x-1][y+1] == 1:
                  neighbors += 1
              if x > 0 and y > 0 and self.minearray[x-1][y-1] == 1:
                  neighbors += 1
              if y < self.size - 1 and self.minearray[x][y+1] == 1:
                  neighbors += 1
              if y > 0 and self.minearray[x][y-1] == 1:
                  neighbors += 1
          
          if self.minearray[x][y] == 1:
              self.tiles[x][y]["text"] = '@'
          else:
              self.tiles[x][y]["text"] = neighbors
  
  gameTiles = Tiles(frame, 10, 25)
  root.mainloop()
  
subject: Update minesweeper.py