- A tuple is a sequence of immutable Python objects.Tuples are sequences, just like lists.
- Tuples use parentheses and lists use square brackets.
- To access values in tuple, use the square brackets for slicing along with the index or indices to obtain the value available at that index.
- The empty tuple is written as two parentheses containing nothing: tup1 = ()
- Like string indices, tuple indices start at 0, and tuples can be sliced, concatenated and so on.
- You cannot update tuples because they are immutable.
- Removing individual tuple elements is also not possible.To explicitly remove an entire tuple, just use the del statement.
- Tuples as return values
- Functions can always only return a single value, but by making that value a tuple, we can effectively group together as many values as we like, and return them together.

- Built-in Functions
- len(tuple) -> Gives the total length of tuple.
- max(tuple) ->Returns maximum element in tuple.
- min(tuple) -> Returns minimum element in tuple.
- tuple(seq) -> Converts a list to tuple.

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