Python: Personal Guessing Game format error

I am attempting to create a guessing game akin to the one in the Python Tutorial however I am running into an odd couple errors.

My code is:

import random
x = random.randint(1,10)
guesses = []

def GuessGame():
    global guess
    while len(guesses) < 5:
        try:
            guess = int(input("Guess something. "))
        except ValueError:
            print("it must be a number! {} is not a number".format(guess))
        else:
            if guess == x:
                print("congrats {} was the number".format(x))
                break
            elif len(guesses) == 3:
                print("The next guess will be your last!")
            else:
               print("That is not it!")
            guesses.append(guess)
    else:
        print("Your guesses were {} and the correct answer was {}. Better luck next time!".format(guesses, x))

GuessGame()

The game runs fine except for the ValueError section. I want it to insert into the print field the user inputted value. It does not do this per se. If I put in "a" into the field initially, it kicks back an error message with two principal errors -

"ValueError: invalid literal for int() with base 10: 'a'" and "NameError: name 'guess' is not defined"

Isn't the fact that I am using a TRY with EXCEPT VALUE ERROR suppose to solve this first issue?

The Second one appears because something is undefined. It crops up in a non-error way, too. If I type in "12", "13", "a", it will fill in the {} part of the print section NOT with "a" but with "13" - or the immediate prior integer that was valid. How can I get it to print the invalid letter and not just the incorrect but valid integer?