yskutddyhyydyr

Use rpsrunner.py to play unranked matches on your computer.

Source code:

import random
if input == "":
	a = ""
	b = ""
else:
	a = b
	b = input

if a == b: # If the inputs are equal, assume the human will change.
	if b == "R": # Human will change to either scissors or paper.
		output = "S"
	elif b == "S": # Human will change to either rock or paper.
		output = "P"
	elif b == "P": # Human will change to either rock or scissors.
		output = "R"
	elif b == "": # This is the first turn, make a random choice.
		output = random.choice(["R", "S", "P"])
else:

    if input == "R":
	     output = "S"
    elif input == "P":
	     output = "R"
    elif input == "S":
	     output = "P"
    else:
             output = random.choice(["R","P","S"])