Google Foobar Question URGENT 1 DAY LEFT

267

So I am currently on the gearing up for destruction challenge, and I believe I have written a code that solves this problem. Any time the code is supposed to return [-1,-1] my code passes, but whenever I have to return an actual radius ratio it does not pass even though my code is returning the answer. The first example case is supposed to return [12,1] which my code does but it still fails. I have tried using the int function to make sure I am returning two integers. If I manually write "return [12,1]" it will pass that first example case but not with my code.

from fractions import Fraction

def solution(s):
    pointList = []
    pegDist = []
    check = []
    if(not s or len(s) < 2):
        return[-1,-1]
    if(len(s)==2):
        firstGear = ((s[1]-s[0])/3 * 2).as_integer_ratio()
        for i in firstGear:
            pointList.append(i)
        return pointList
    for peg in s:
        if s.index(peg) == 0:
            pointList.append(2)
        elif s.index(peg) == len(s) - 1:
            pointList.append(1)
        else:
            pointList.append(1)
        if s.index(peg) != len(s) - 1:
            pegDist.append(abs(peg-s[s.index(peg)+1]))
    holder = pointList
    while(True):
        try:
            for x in pointList:
                if(pointList.index(x)>0 and pointList.index(x)<len(pointList)-1):
                        pointList[pointList.index(x)] = abs(pegDist[pointList.index(x)-1]-pointList[pointList.index(x)-1])
            for x in pointList:
                if(pointList.index(x)!=len(pointList)-1):
                    check.append(x+pointList[pointList.index(x)+1])
            if(check[len(check)-1]!=pegDist[len(check)-1]):
                check = []
                pointList = holder
                pointList[0]+=1
                pointList[len(pointList)-1]=pointList[0]/2
            if(check==pegDist):
                ratio = Fraction(holder[0])
                break
        except IndexError:
            return [-1,-1]
    return[ratio.numerator,ratio.denominator]

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