def inRegionDict(chrom, start, end, regionDict):
    """Checks the given mutation location to see if it is in the dictionary of regions"""
    if regionDict[chrom]:
        for locs in regionDict[chrom]:
            if locs[0] == 0 and locs[1] == 0:
                return True
            elif int(start) >= int(locs[0]) and int(end) <= int(locs[1]):
                return True
    return False
