def check_file_for_carriage_return(full_file_path):
    "with open(full_file_path, 'rb') as f:\n        Line_Read = f.readlines()\n        if ('\r\n' in Line_Read):\n            return '\r\n'\n        elif ('\n' in Line_Read):\n            return '\n'\n        else:\n            return None "
    infile = open(full_file_path, 'rb')
    for index, line in enumerate(infile.readlines()):
        if line[-2:] == '\r\n':
            return '\r\n'
        else:
            return '\n'
