Python

Tuples

A tuple is a collection that cannot be modified.

Variables can be of the datatype tuple. A tuple is defined using parenthesis.

If you want to change the data during program execution, use a list instead of a tuple.

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Example

A tuple with one item ( a comma is needed in the end ):

x = (1,) 

A tuple with multiple items:

x = (1,2,3,4) 
Note: Even with one element, the comma is needed.

Accessing tuples

To access individual elements, we use square brackets. To print the first element (Python starts counting from zero):

print(x[0]) 

To print the second element:

print(x[1]) 

To print the last element, you can count from the back using the minus sign.

print(x[-1]) 

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