hint = str
low = 0
high = 100
guess = (high + low)/2
answer = int(raw_input("Please think of a number between 0 and 100: "))
while (True):
print "Is your secret number " + str(guess) + "?"
hint = raw_input("H, L, or C: ")
hint = hint.lower()
while (hint != "h" and hint != "l" and hint != "c"):
print "invalid option"
hint = raw_input("H, L, or C: ")
hint = hint.lower()
if (hint == "h"):
low = guess
print "newlow: " + str(low)
print "newGuess: " + str(guess)
elif (hint == "l"):
high = guess
elif (hint == "c"):
print "Correct, the answer was " + str(answer)
break
为什么变量猜测值未更改，我希望将低值更改为50，因此newGuess会变为75，正确吗？
从程序进入while循环的那一刻起，所有变量都将被设置，除非另行分配。
您已完成的工作将重新分配给low变量。但是，由于循环已经具有的值（guess使用的旧值）low，因此您需要guess使用新值重新分配。尝试将定义guess 放入第一个while循环中。
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