Python3 题解 | #牛牛的线段#
牛牛的线段
http://www.nowcoder.com/practice/f72c56ed71664af082c921bf79861c85
#Python3题解#
lis = []
while 1:
try:
lis.append(list(map(int, input().split())))
except:
break
print((lis[0][0] - lis[1][0])**2 + (lis[0][1] - lis[1][1])**2)
