input: def fix_syntax_errors(code_snippet: str) -> str:
      """ Fix Python syntax errors in the given code snippet.
      >>> fix_syntax_errors('def test ():\\n    x = 5\\n    y = 3 \\n    z')
      'def test():\\n    x = 5\\n    y = 3\\n    try:\\n        z\\n    except NameError:\\n        print("NameError: Name \\'z\\' is not defined")'
      """
output:     lines = code_snippet.splitlines()
      fixed_lines = []
      for line in lines:
          if line.strip().endswith('\\n'):
              line = line.rstrip('\\n')
          if line.strip().endswith(':'):
              fixed_lines.append(line)
              fixed_lines.append('    try:')
          else:
              fixed_lines.append(line)
      fixed_code = '\n'.join(fixed_lines)
      return fixed_code