input: def fix_syntax_errors(code_snippet: str) -> str:
      """Given a code snippet with potential Python syntax errors, detect and fix the errors.
      
      Example:
      >>> 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:
          exec(code_snippet)
      except SyntaxError as e:
          lines = code_snippet.split('\n')
          error_line = e.lineno - 1
          error_offset = e.offset
          if error_line < len(lines):
              if '=' not in lines[error_line]:
                  lines[error_line] = f"try:\n    {lines[error_line]}\n"
                  lines[error_line] += f"except {e.__class__.__name__}:\n    print('{e.__class__.__name__}: {e}')"
          return '\n'.join(lines)
      return code_snippet