code: def check_file_for_tabs(filename, verbose=True):
      
      file_contains_tabs = False
      with open(filename) as f:
          lines = f.read().split("\n")
  
      line_no = 1
      for line in lines:
          if "\t" in line:
              file_contains_tabs = True
              location = [
                  i for i in range(len(line)) if line.startswith('\t', i)]
              if verbose:
                  Console.error("Tab found in line {} and column(s) {}"
                                .format(line_no,
                                        str(location).replace("[", "").replace(
                                            "]", "")),
                                traceflag=False)
          line_no += 1
      return file_contains_tabs
docs: identifies if the file contains tabs and returns True if it
      does. It also prints the location of the lines and columns. If
      verbose is set to False, the location is not printed.
  
      :param verbose: if true prints information about issues
      :param filename: the filename
      :rtype: True if there are tabs in the file