store_user_info = {"username":[], "password":[], "security_question":[],"security_answer":[]}

store_user_info["username"].append(create_user_name)
store_user_info["password"].insert(store_user_info["username"].index(create_user_name), create_user_pass)
store_user_info["security_question"].insert(store_user_info["username"].index(create_user_name), choose_security)
store_user_info["security_answer"].insert(store_user_info["username"].index(create_user_name), answer_security)

def check_user_exist():
    """
    Automate check if username is existent/stored in store_user_info
    """
    input_user_name = raw_input("Enter your username: ")

    if input_user_name not in store_user_info["username"]:
        while input_user_name not in store_user_info["username"]: #while True?
            print 'Username not found. Try Again.'
            input_user_name = raw_input("Enter your username: ")

            if input_user_name in store_user_info["username"]:
                break

    return input_user_name

def get_user_info():
    """
    Administration tool.
    INPUT: existing user name
    OUTPUT: password and security question/answer associated with given user name
    """
    check_user_exist()

    if input_user_name in store_user_info["username"]:
        print 'Password: '+ store_user_info["password"][store_user_info["username"].index(input_user_name)]

        if store_user_info["security_question"][store_user_info["username"].index(input_user_name)] == '1':
            print 'Security Question: 1. ' + security_questions["s_q1"]
            print 'Security Answer: %r' %store_user_info["security_answer"][store_user_info["username"].index(input_user_name)]

        elif store_user_info["security_question"][store_user_info["username"].index(input_user_name)] == '2':
            print 'Security Question: 2. ' + security_questions["s_q2"]
            print 'Security Answer: %r' %store_user_info["security_answer"][store_user_info["username"].index(input_user_name)]