while True:
a = raw_input("Your number: ")
if a == int: # letters:
if a > 0 and a % 3 == 0:
print 'fizz'
if a > 0 and a % 5 == 0:
print 'buzz'
if a > 0 and a % 3 != 0 and a % 5 != 0:
print a
if a <= 0:
print 'bad value'
else:
print "Not integer, try again"`
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我该如何raw_input工作?我希望这在用户输入为整数时运行游戏,而在不是时再次"再试".