(Python) Why doesn't my method object execute when I call it after my class definition? -

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when try run program in idle (the text editor i'm using @ moment, notepad ++ said indentation error , don't know why) code in __init__, shows it's been created object. line after tried use main method , doesn't anything. changed different method didn't work either. here's program:

import sys  class main:     def __init__(self):         winx = false         wino = false         turn = 'x'         lastturn = 'x'         a, b, c, d, e, f, g, h, = ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '         poslist = []         poslist.append(a)         poslist.append(b)         poslist.append(c)         poslist.append(d)         poslist.append(e)         poslist.append(f)         poslist.append(g)         poslist.append(h)         poslist.append(i)         self.board = '+---+---+---+\n| ' + poslist[0] +' | '+ poslist[1] +' | '+ poslist[2] +' |\n+---+---+---+\n| '+ poslist[3] +' | '+ poslist[4] +' | '+ poslist[5] +' |\n+---+---+---+\n| '+ poslist[6] +' | '+ poslist[7] +' | '+ poslist[8] +' |\n+---+---+---+'         print self.board      def updateturn(self):         if lastturn == 'x':             turn == 'o'         elif lastturn == 'o':             turn == 'x'         lastturn = turn      def winchecker(self):         if , b , c == 'x' or , d , g == 'x' or , e , == 'x' or g , e , c == 'x' or g , h , == 'x' or c , f , == 'x':             winx = true         if , b , c == 'o' or , d , g == 'o' or , e , == 'o' or g , e , c == 'o' or g , h , == 'o' or c , f , == 'o':             wino = true      def updateboard(self):         print self.board      def starter(self):         while true:             try:                 = int(input(''))             except typeerror:                 print 'not number, try again.'                 continue         -= 1         poslist[i] = turn         self.updateboard         self.winchecker         if winx == true:             print 'x wins!'             sys.exit()         elif wino == true:             print 'o wins!'             sys.exit()         self.updateturn  s = main() s.starter

i (4 days) finished python's own tutorial.

call starter function 

s.starter()

and there might logical error while loop below true.

def starter(self):         while true:             try:                 = int(input(''))             except typeerror:                 print 'not number, try again.'                 continue

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