python 3 write a program 1

Please write a Python program called battleship.py

I will provide the tester.py for test the correction later (by the due day).

Requirement:

1. Please download the pdf file to see the program battleship-1.pdf

2. You may only import the sys and random modules !

3. You cannot use global variables !

4. Your solution must contain at least 5 user defined functions that you use !

5. Your answer must pass the tester.py

6. Do not copy the code from UC Berkeley websites, but you can get some idea from it! (if you cannot find it, i can send it to you)