bot1chris.py

import random
from collections import defaultdict

def update(input):
    counts[input] += 1

def play():
    rcounts = {str(v): k for k, v in counts}
    return rcounts[max([str(val) for val in counts.values())]]

if input == '':
    counts = defaultdict(int)
    output = 'R'
else:
    update(input)
    pick = play()
    output = pick