python国家/中国/省/市街地/県城四級メニュー検索

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tmp = country

def worldMenue():
    for key in country:
        print key

def countryMenu(country):
    global  tmp
    country_count = 0
            
    while True:
        c = raw_input("enter a option to view this area\r
enter q exit !\r
enter r return to the previous menu: ")
        if c == 'q':
            sys.exit()
        if c == 'r':
            for key in tmp:
                print key
            return tmp
        else:
            for key in country:
                if c == key:
                    for key in country[c]:
                        print key
                    tmp = country
                    country = country[c]
                    if(isinstance(country,list)):
                        sys.exit()
                else:
                    country_count +=1
            if country_count == len(country):
                country_count = 0
                print 'No exist this area option! please enter again'
            else:
                break
    return country



worldMenue()
while True:
    country = countryMenu(country)