while循环应用
#encoding=utf-8
i = 1
sum = 0
while i <= 100:
sum = sum + i
i += 1
print("1~100的累积和为:%d" % sum)
#encoding=utf-8
i = 1
sum = 0
while i <= 100:
if i % 2 == 0:
sum = sum + i
i+=1
print("1~100的累积和为:%d" % sum)
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