input: def fix_python_syntax_errors(code_snippet: str) -> str:
      """Fix Python syntax errors in a given code snippet.
      >>> 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")'
      """
      # Implementation of the function would go here
      pass
output:     lines = code_snippet.split('\n')
      fixed_lines = []
      for line in lines:
          if line.strip().endswith(':'):
              fixed_lines.append(line)
          elif line.strip() == '':
              fixed_lines.append(line)
          else:
              fixed_lines.append(f"    try:\n        {line}\n    except NameError:\n        print(\"NameError: Name \\'{line.strip()}\\' is not defined\")")
      return '\n'.join(fixed_lines)