human
Solve the following python programming problem given the following code:
# PROMPT 4: Write function 

Given the above code, generate some markdown instructions for it.
assistant
#Here is the Python program you requested.

Problem Analysis
For a function rock_paper_scissors() which plays the game, what are the inputs and outputs?
Inputs:  
PROMPT 1
Outputs:  
PROMPT 2
Function def in python:   (just def part)
PROMPT 3