HotPotato2000 | Python Fiddle

sack0 = [5,3,1]
sack1 = [5,1,3]
sack2 = [6,4]
sack3 = [7,5,3]
pattern = ""
position = 0
hot = True
beats = [None] * 60
visited = []
potato = ord("A")
new = 0

def juggle(a):
    global position
    global hot
    global beats
    global visited
    global pattern
    global potato
    global new

for h in range(0, len(a)):
        if position + a[h] > len(beats):
            hot = False
            print("Not hot")
            break
        if position in visited:
            pattern = pattern + beats[position]

if position + a[h] in visited:
                hot = False
                print("Not hot")
                break
            else:
                visited.append(position + a[h])
                beats[position + a[h]] = beats[position]
        else:
            pattern = pattern + chr(potato)

visited.append(position)
            beats[position] = chr(potato)

if position + a[h] in visited:
                hot = False
                print("Not hot")
                break
            else:
                visited.append(position + a[h])
                beats[position + a[h]] = beats[position]

potato = potato + 1
            new = new + 1

result = (pattern_check(pattern, new))

if result != None:
            hot = False
            print("Pattern: " + result)
            print("Found in: " + str(len(result)) + " steps")
            break
        else:
            position = position + 1

def pattern_check(p, n):
    pat = p[n:]
    string = ""
    for i in range(0, n):
        string = string + p[i]
    if string in pat:
        #print("key: " + string)
        #print("pattern:" + pat)
        return p[:-n]
    else:
        return None

while hot == True:
    juggle(sack0)

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