print "Hello, this is my program. Game in 21";
cmd = (raw_input('>>'));
while cmd!='Exit':
       if cmd =='commands':
              print '\nMenu:\n\ngogame\nsurrender\n';
              cmd = (raw_input('>>'));
       elif cmd == surrender:
       	      print "Your luser! ;)"
       elif cmd == gogame
              a == import random
              karta_5 = 5
              karta_6 = 6
              karta_7 = 7
              karta_8 = 8
              karta_9 = 9
              karta_10 = 10
              karta_Valet = 11
              karta_King = 12
              b == import random
              karta_5 = 5
              karta_6 = 6
              karta_7 = 7
              karta_8 = 8
              karta_9 = 9
              karta_10 = 10
              karta_Valet = 11
              karta_King = 12
       if a > b:
              print userone, WIN
       if a < b:
              print usertwo, WIN
       else:
              print "Userone = usertwo"
              cmd = (raw_input('>>'));

....
 karta_5 = 5      
 karta_6 = 6
 karta_7 = 7
....

print "Hello, this is my program. Game in 21";
cmd = (raw_input('>>'));
import random
while cmd!='Exit':
    def ran():
        try:
            # available in Python 2.0 and later
            shuffle = random.shuffle
        except AttributeError:
            def shuffle(x):
                for i in xrange(len(x)-1, 0, -1):
                    # pick an element in x[:i+1] with which to exchange x[i]
                    j = int(random.random() * (i+1))
                    x[i], x[j] = x[j], x[i]

        cards = range(5,12)

        shuffle(cards)

        myhand = cards[:1]

        return myhand

    def ran1():
        try:
            # available in Python 2.0 and later
            shuffle = random.shuffle
        except AttributeError:
            def shuffle(x):
                for i in xrange(len(x)-1, 0, -1):
                    # pick an element in x[:i+1] with which to exchange x[i]
                    j = int(random.random() * (i+1))
                    x[i], x[j] = x[j], x[i]

        cards = range(5,12)

        shuffle(cards)

        myhand = cards[:1]

        return myhand


    if cmd =='commands':
            print '\nMenu:\n\ngogame\nsurrender\n';
            cmd = (raw_input('>>'));
    elif cmd == "surrender":
            print "Your luser! ;)"
    elif cmd == "go":
        
            a=ran()
                  
            b=ran1()
                   

            if a > b:
                print a,">",b 
                print "userone, WIN"
                cmd = (raw_input('>>')); 
                    
            elif a < b:
                print a,"<",b
                print "usertwo, WIN"
                cmd = (raw_input('>>'));
            else:
                print a,"==",b
                print "Userone = usertwo"
                cmd = (raw_input('>>'));