Problem 9：Special Pythagorean triplet

题目描述：

A Pythagorean triplet is a set of three natural numbers, a  b  c, for which,

a² + b² = c²

For example, 3² + 4² = 9 + 16 = 25 = 5².

There exists exactly one Pythagorean triplet for which a + b + c = 1000.
Find the product abc.

代码：

for i in range(2,1000,1):
	for j in range(2,1002-i,1):
		if i<j and 1000-i-j>2:
			k=1000-i-j
			if i**2+j**2==k**2:
				print i*j*k