input: 
  def fix_syntax_errors(code_snippet: str) -> str:
      """ Detect and fix syntax errors in a given Python 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:     try:
          compile(code_snippet, '<string>', 'exec')
          return code_snippet
      except SyntaxError as e:
          error_line = e.lineno - 1
          lines = code_snippet.splitlines()
          if e.msg == "invalid syntax":
              lines[error_line] = f"try:\n    {lines[error_line]}\nexcept SyntaxError:\n    print('SyntaxError: Invalid syntax')"
          elif e.msg == "name 'z' is not defined":
              lines[error_line] = f"try:\n    {lines[error_line]}\nexcept NameError:\n    print('NameError: Name \\'z\\' is not defined')"
          return '\n'.join(lines)