input: def detect_potential_errors(code: str) -> str:
      """ Analyze the given Python function code to detect any potential errors.
      >>> detect_potential_errors('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 = code.split('\n')
      for line in lines:
          if 'for' in line and 'in' in line and 'list' in line:
              if 'list' in line.split('in')[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 ''