python - Variable value changes automatically -

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i solved assignment # 2 course "an introduction interactive programming in python" @ coursera.org. assignment work ok according specifications. however, when user guess number correctly , game restarts, 1 chance automatically reduces. not happening when number of chances exhausted. logic both conditions same. can please explain , fix it.

here code:

# template "guess number" mini-project # input come buttons , input field # output game printed in console  import simplegui import random  # initialize global variables used in code secret_number=0 guess_counter=0 init_var = 1   # define event handlers control panel  def range100():     # button changes range range [0,100) , restarts     global secret_number, guess_counter, init_var     secret_number = random.randrange(0, 100, 1)     guess_counter = 7     print ""     print "new game: range 0 100"     print "number of guesses ", guess_counter     #print secret_number   def range1000():     # button changes range range [0,1000) , restarts     global secret_number, guess_counter, init_var     secret_number = random.randrange(0, 1000, 1)     guess_counter = 10     init_var = 2     print ""     print "new game: range 0 1000"     print "number of guesses ", guess_counter    #print secret_number  def get_input(guess):     # main game logic goes here      global secret_number, guess_counter     user_guess = int(guess)     print ""     print "guess was", user_guess     if user_guess > secret_number:         print "higher!"     elif user_guess < secret_number:         print "lower!"     else:         print "correct ... win!"         initialize()       guess_counter -= 1     if guess_counter == 0:         print "you lost, guesses consumed"         initialize()     else:         print "number of remaining guesses ", guess_counter  def initialize():     #restart game, when guesses exhaust     if init_var == 1:         range100()     else:         range1000()  # create frame frame = simplegui.create_frame("guess number", 300, 200)  # register event handlers control elements frame.add_button("range [0, 100]", range100, 200) frame.add_button("range [0, 1000]", range1000, 200) frame.add_input("enter guess", get_input, 200)  initialize()  # start frame frame.start()  # remember check completed program against grading rubric

add return under initialize()

    elif user_guess < secret_number:     print "lower!" else:     print "correct ... win!"     initialize()     return

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