# -*- coding:utf-8 -*-
import sys
import re
def main():
ss1 = raw_input("");
ss2 = raw_input("");
print ss1,ss2
t=0
for i in range(int(ss1),int(ss2)+1):
t= t+int(i)
print t
if __name__ == '__main__':
main()
HDU 1001 Sum Problem python实现
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转载自blog.csdn.net/lunzi3775/article/details/79337800
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