Extract Column from Tuple

Write a function `extract_column(tuples, index)` that takes a list of tuples and an integer `index` as input. The function should return a list containing the elements at the specified `index` from each tuple in the list.

#### Example Usage
```python [main.nopy]
# Input list of tuples
input_tuples = [(1, 2, 3), (4, 5, 6), (7, 8, 9)]

# Extract the second column (index 1)
result = extract_column(input_tuples, 1)
print(result)  # Output: [2, 5, 8]

# Extract the first column (index 0)
result = extract_column(input_tuples, 0)
print(result)  # Output: [1, 4, 7]
```
def extract_column(tuples, index):
    """
    Extract a specific column from a list of tuples.

    Args:
        tuples (list of tuple): The input list of tuples.
        index (int): The index of the column to extract.

    Returns:
        list: A list containing the elements at the specified index from each tuple.
    """
    # Placeholder for the solution
    pass
Intermediate
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