triangle = [[ 1 ],[ 1 , 1 ]] |
for i in range ( 2 , 8 ): |
cur = [ 1 ] |
pre = triangle[i - 1 ] |
for j in range ( len (pre) - 1 ): |
cur.append(pre[j] + pre[j + 1 ]) |
cur.append( 1 ) |
triangle.append(cur) |
print (triangle) |