input: 
  from typing import List
  
  def fix_syntax_errors(code_snippet: str) -> str:
      """Fix Python syntax errors in the given 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:     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 {type(e).__name__}:\n        print({repr(str(e))})")
      return '\n'.join(fixed_lines)