重复的要怎么扣
这是我的代
sum = 0
for i in range (1,7+1):
for j in range(1,7+1):
print(i," ", j)
sum += 1
print("The totalnumber of all combination is",sum/2)
print(i," ", j)
sum += 1
print("The totalnumber of all combination is",sum/2)
1,2 输出后就不能输出2,1?
那j 就从 i 开始往上加 第二个for j in range(i,7+1)