경민의 야구 게임 리팩토링(?) 해 봤습니다.

baseball.py

import random

#input data and avoid redundent data
def input_from_user(question):
    isRedundent=False
    while True:
        if isRedundent:
            print "Numbers must be different."
            isRedundent=False
        raw = raw_input(question)
        input_array = raw.split(" ")
        for i in range(0,3):
            for j in range(i+1,4):
                if input_array[i] == input_array[j]:
                    isRedundent=True
                    break
        if(isRedundent==False):
            break
    return input_array

#print title
def print_title():
    print("------------------------------------")
    print("|   basball game with 4 numbers!   |")
    print("------------------------------------")

#generate random answer
def gen_answer(ea):
    answer=[]
    for int_0_to_9 in range(0,10):
     answer.append(int_0_to_9)
    random.shuffle(answer)
    return answer[0:ea]

#print result
def print_result(strike,ball):
    print("------------------------------------")
    print("|     strike(s)   :    %d          |")%strike
    print("|       ball(s)   :    %d          |")%ball
    if strike < 4:
		print("|           Try again!            |")
    else:
		print("|      4 strikes and out!         |")
		print("|          Good Game!             |")
    print("------------------------------------")

#bs judgement
def judge_bs(input_array,answer):
    strike= ball =0
    for index in range(0,4):
            	if int(input_array[index]) == answer[index]:
    				strike +=1
    		for add in range(1,4):
    			if int(input_array[(index+add)%4]) == answer[index]:
    				ball +=1
    return (strike,ball)

#program body start
debug = True
print_title()
answer=gen_answer(4)
#for debug
if debug:
    print(answer[0], answer[1], answer[2], answer[3])
#main loop
strike=0
while strike < 4:
    input_array = input_from_user("input like [1 2 3 4] : ")
    strike=ball=0
    (strike,ball) = judge_bs(input_array,answer)
    print_result(strike,ball)