【Python入门系列2】Event-driven Programming

# template for "Guess the number" mini-project
# input will come from buttons and an input field
# all output for the game will be printed in the console
import simplegui
import random

secret_number = 0
end = 100
remaining_guess = 7

# helper function to start and restart the game
def new_game():
        # initialize global variables used in your code here
        global secret_number
        global end
        secret_number = random.randrange(0, end)
    
        print "New game. Range is from 0 to", end
        print "Number of remaining guesses is", remaining_guess
        print ""


# define event handlers for control panel
def range100():
        # button that changes the range to [0,100) and starts a new game 
        global remaining_guess
        remaining_guess = 7
    
        global end
        end = 100
    
        new_game()
    

def range1000():
        # button that changes the range to [0,1000) and starts a new game     
        global remaining_guess
        remaining_guess = 10
    
        global end
        end = 1000
    
        new_game()
    
def input_guess(guess):
        # main game logic goes here
        global secret_number
        global remaining_guess
    
        guessi = int(guess)
        print "Guess was", guessi
        remaining_guess -= 1
        print "Number of remaining guesses is", remaining_guess
    
        if guessi < secret_number:
                print "Higher"
        elif guessi > secret_number:
                print "Lower"
        else:
                print "Correct"
                print ""
                range100()
            
    print ""
    
     if remaining_guess == 0:
                print "You lose."
         print ""
                range100()

    
# create frame
frame = simplegui.create_frame("game", 200, 200)

# register event handlers for control elements and start frame
frame.add_button('Range is [0,100)', range100, 200)
frame.add_button('Range is [0,1000)', range1000, 200)

frame.add_input("Input your guess: ", input_guess, 50)



# call new_game 
new_game()

# always remember to check your completed program against the grading rubric
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New game. Range is from 0 to 100
Number of remaining guesses is 7

Guess was 25
Number of remaining guesses is 6
Higher

Guess was 50
Number of remaining guesses is 5
Lower

Guess was 38
Number of remaining guesses is 4
Lower

Guess was 31
Number of remaining guesses is 3
Higher

Guess was 34
Number of remaining guesses is 2
Lower

Guess was 33
Number of remaining guesses is 1
Lower

Guess was 32
Number of remaining guesses is 0
Correct

New game. Range is from 0 to 100
Number of remaining guesses is 7
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num1 = 1
print "num1 =", num1

def fun():
            num2 = num1 + 1
            print "num2 =", num2

fun()

print "num1 =", num1
print "num2 =", num2
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num1 = 1
num2 = 2
num1 = 1
num2 =
Traceback (most recent call last):
    Line 11, in <module>
        print "num2 =", num2
NameError: name 'num2' is not defined
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num1 = 1
print "num1 =", num1

def fun():
            num1 = 2
            num2 = num1 + 1
            print "num2 =", num2

fun()

print "num1 =", num1
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num1 = 1
num2 = 3
num1 = 1
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num = 4

def fun1():
            global num
            num = 5

def fun2():
            global num
            num = 6

print num
fun1()
print num
fun2()
print num
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4
5
6
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 guessi = int(guess)
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