input: from typing import List
  
  def fix_python_syntax_errors(code_snippet: str) -> str:
      """Given a code snippet with potential Python syntax errors, this function detects and fixes the errors.
      For example, if an undefined variable is detected, it is wrapped in a try-except block to handle the NameError.
  
      >>> fix_python_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.split('\n')
      fixed_lines = []
      for line in lines:
          if '=' not in line and not line.strip().startswith('#'):
              try:
                  compile(line, '<string>', 'exec')
              except SyntaxError:
                  fixed_lines.append(f"try:\n    {line}\nexcept NameError:\n    print(\"NameError: Name '{line.split()[0]}' is not defined\")")
              else:
                  fixed_lines.append(line)
          else:
              fixed_lines.append(line)
      return '\n'.join(fixed_lines)