sum?=?0
x?=?0
while?True:
????x?=?x?+?1
????if?x?>?100:
????????break
????if?x?%?2?==?0:
????????continue
????sum?=?sum?+?x
print?sum

這個輸出2500

sum?=?0
x?=?0
while?True:
????x?=?x?+?1
????if?x?>?100:
????????break
	if?x?%?2?==?0:
????????continue
????sum?=?sum?+?x
print?sum

這個輸出5050

why