input: Write a function to generate an HTML paragraph from a given text.
  assert generate_html("Hello World!") == "<html>\n<body>\n<p>Hello World!</p>\n</body>\n</html>\n"
  assert generate_html("Test") == "<html>\n<body>\n<p>Test</p>\n</body>\n</html>\n"
  assert generate_html("") == "<html>\n<body>\n<p></p>\n</body>\n</html>\n"
output: def generate_html(text):
      return f"<html>\n<body>\n<p>{text}</p>\n</body>\n</html>\n"