input: def fix_syntax_errors(code_snippet: str) -> str:
      """ Given a code snippet with potential Python syntax errors, detect and fix them.
      >>> fix_syntax_errors("def test ():\n    x = 5\n    y = 3 \n    z\n")
      "def test ():\n    x = 5\n    y = 3\n    try:\n        z\n    except NameError:\n        print('NameError: Name 'z' is not defined')\n"
      """
output:     lines = code_snippet.split('\n')
      fixed_lines = []
      for line in lines:
          if line.strip().endswith('\\'):
              fixed_lines.append(line.rstrip('\\'))
          else:
              fixed_lines.append(line)
              if '=' not in line and not line.strip().startswith('#'):
                  fixed_lines.append('    try:')
                  fixed_lines.append(f'        {line}')
                  fixed_lines.append('    except NameError:')
                  fixed_lines.append(f"        print('NameError: Name \'{line.strip()}\' is not defined')")
      return '\n'.join(fixed_lines)