哥德巴赫猜想:一个不小于6的偶数可以表示两个素数和
例如:6 = 3 + 3
def var(n):
list = []
for i in range(2,n):
i = 2
for j in range(2,i):
if (i % j == 0):
break
else:
list.append(i)
return list
num = int(input('input a num:'))
for i in var(num):
for j in var(num):
if num == i + j:
print(num,i,j)
结果: