def SkewArray(Genome):
    Skew = []
    Skew.append(0)
    for i in range(0, len(Genome)):
        if Genome[i] == "G":
            Skew.append(Skew[i] + 1)
        elif Genome[i] == "C":
            Skew.append(Skew[i] - 1)
        else:
            Skew.append(Skew[i])
    return Skew