indexerror-tuple-index-out-of-range

IndexError: tuple index out of range

IndexError: tuple index out of range

This error occurs when you try to access a tuple position that does not exist.
Tuples, like lists, use zero-based indexing.

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Example (Reproducing the Error)

values = (10, 20, 30)
print(values[3])

The tuple contains three elements.
Valid indexes are 0, 1, and 2.
Index 3 is out of range.

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Why This Happens

Tuples follow the same indexing rules as lists:

• Indexing starts at 0
• The maximum valid index is length - 1

Even though tuples are immutable, their indexing behavior is identical to lists.

If you're unsure about tuple behavior compared to lists, review the tuples and ranges tutorial on pyai.io.

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Defensive Pattern

Always check boundaries before accessing a tuple:

values = (10, 20, 30)
index = 3

if index < len(values):
    print(values[index])
else:
    print("Index out of range")

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Related List and Tuple Index Errors

• TypeError: list indices must be integers or slices, not str

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If you'd like a broader explanation of list index errors, see the main guide:

• IndexError: list index out of range