input: 
  def detect_error_in_function(func_code: str) -> str:
      """ Analyze the given Python function code as a string and detect any potential errors.
      Return a string with a description of the error and a suggestion for how to fix it.
      >>> detect_error_in_function('def expand_list(list):\n for item in list:\n list *= 2')
      'The function is attempting to modify the list while iterating over it. This can lead to unexpected behavior and should be avoided. To fix the code, the list should be copied before the iteration takes place.'
      """
  
output:     lines = func_code.split('\n')
      for i, line in enumerate(lines):
          if 'for' in line and 'in' in line and 'list' in line:
              if 'list' in lines[i+1]:
                  return 'The function is attempting to modify the list while iterating over it. This can lead to unexpected behavior and should be avoided. To fix the code, the list should be copied before the iteration takes place.'
      return 'No potential errors detected.'