Question: Elements surrounded by `[]` are **\_**, `{}` are **\_**, and `()` are **\_**.

  1. sets only; lists or dictionaries; tuples
  2. lists; sets only; tuples
  3. tuples; sets or lists; dictionaries
  4. lists; dictionaries or sets; tuples

Answer: The correct answer of the above question is Option D:lists; dictionaries or sets; tuples