Python- Day 13- Tuples in Python (_)

Lists are great for storing items that can change during a program, like users or characters in a game.

But when you need a list that can’t be changed, use a tuple. Tuples are immutable — they cannot be modified after being created.

Defining a Tuple :

A tuple looks like a list, but you use parentheses () instead of square brackets []. You can access elements using indexes, just like with lists. For example:

dimensions = (200, 50)
print(dimensions[0])  # 200
print(dimensions[1])  # 50

If you try to change a value in a tuple, Python will give you an error because tuples can’t be modified:

dimensions[0] = 250  # TypeError: 'tuple' object does not support item assignment

Tuples with One Element :

To create a tuple with just one item, include a comma:

my_tuple = (3,)

Looping Through a Tuple :

You can loop over the items in a tuple just like you would with a list:

dimensions = (200, 50)
for dimension in dimensions:
    print(dimension)

>>

200
50

Reassigning a Tuple :

While you can’t change the contents of a tuple, you can assign a new tuple to the same variable:

dimensions = (200, 50)
print("Original dimensions:")
for dimension in dimensions:
    print(dimension)

dimensions = (400, 100)
print("\nModified dimensions:")
for dimension in dimensions:
    print(dimension)

>>


Original dimensions:
200
50

Modified dimensions:
400
100

When to Use Tuples :

Use tuples when you need a set of values that shouldn’t change throughout the program, as they are simple and efficient.

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