功能说明：
岸上的岸基控制台会向无人控制器发射数据形为，例如：“aa15ss6”
aa后面的数值区间为：‘-15~15’，ss后面的数值区间为：‘1~9’
目的是为了取出aa后面的数值以及ss后面的数值
环境python-2.7.12

#! usr/bin/ python
#-*- coding:utf-8 -*-
import time
import random

data=['aa-15ss2','aa14ss3','aa12ss6','aa12ss8','aa13ss5','aa-6ss4','aa10ss4','aa11ss9','aa-15ss8','aa11ss7','aa3ss8']


i=random.randint(1,11)

other=data[i-1]
n=len(other)
if other[2]=='-':
    if n==8:
        jiaodu=other[3:5]
       #quyujiayi

        sudu=other[7]
        print '-'+jiaodu,sudu
    elif n==7:
        jiaodu=other[3]

        sudu=other[6]
        print '-'+jiaodu,sudu
else:
    if n==7:
        jiaodu=other[2:4]
        sudu=other[6]
        print jiaodu,sudu
    elif n==6:
        jiaodu=other[2]
        sudu=other[5]
        print jiaodu,sudu