Tuple is one of the built-in data types in Python. A Python tuple is a sequence of comma separated items, enclosed in parentheses (). The items in a Python tuple need not be of same data type.
Following are some examples of Python tuples −
In Python, tuple is a sequence data type. It is an ordered collection of items. Each item in the tuple has a unique position index, starting from 0.
In C/C++/Java array, the array elements must be of same type. On the other hand, Python tuple may have objects of different data types.
Python tuple and list both are sequences. One major difference between the two is, Python list is mutable, whereas tuple is immutable. Although any item from the tuple can be accessed using its index, and cannot be modified, removed or added.
Python Tuple Operations
In Python, Tuple is a sequence. Hence, we can concatenate two tuples with + operator and concatenate multiple copies of a tuple with "*" operator. The membership operators "in" and "not in" work with tuple object.
| Python Expression | Results | Description |
|---|---|---|
| (1, 2, 3) + (4, 5, 6) | (1, 2, 3, 4, 5, 6) | Concatenation |
| ('Hi!',) * 4 | ('Hi!', 'Hi!', 'Hi!', 'Hi!') | Repetition |
| 3 in (1, 2, 3) | True | Membership |
Note that even if there is only one object in a tuple, you must give a comma after it. Otherwise, it is treated as a string.
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