input: def fix_python_syntax(code_snippet: str) -> str:
      """Fix Python syntax errors in the given code snippet.
      >>> fix_python_syntax("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.split('\n')
      fixed_lines = []
      for line in lines:
          if line.strip().endswith(':'):
              fixed_lines.append(line)
          else:
              try:
                  exec(line)
                  fixed_lines.append(line)
              except SyntaxError as e:
                  fixed_lines.append(f"    try:\n        {line}\n    except {e.__class__.__name__}:\n        print('{e.__class__.__name__}: {e}')")
      return '\n'.join(fixed_lines)