代码如下
def triangle(arr1):
length = len(arr1)
if(length ==1):
print(arr1)
else:
arr2=[0]*(length-1)
for i in range(length-1):
arr2[i] = arr1[i]+arr1[i+1]
print(arr1)
return triangle(arr2)
triangle([1,2,3])
输出如下,有什么好办法可以让这个输出的倒三角变成正三角吗?
[1, 2, 3]
[3, 5]
[8]