python遍历数组的两种方法
1、for in

arrays= ["昨天","今天","明天"]

for array in arrays:
    print colour

red
green
blue

2、for in range

arrays= ["昨天","今天","明天"]
 
for i in range(0, len(arrays)):
    print i, arrays[i]
 
0 昨天
1 今天
2 明天