计算Python数组中的连续正值

为什么痴迷于超pythonic的做事方式？可读性+效率胜过“ leet hackerz风格”。

我只是这样做：

a = [0,0,1,1,1,0,0,1,0,1,1]b = [0,0,0,0,0,0,0,0,0,0,0]for i in range(len(a)):    if a[i] == 1:        b[i] = b[i-1] + 1    else:        b[i] = 0