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Find Kth Element in Array

Write a Python function `kth_element(arr, k)` that takes a list `arr` of integers and an integer `k` (1-based index) as input and returns the kth smallest element in the array. The function should sort the array in ascending order and then return the element at the (k-1)th index.

#### Example Usage
```python [main.nopy]
print(kth_element([12, 3, 5, 7, 19], 2))  # Output: 5
print(kth_element([17, 24, 8, 23], 3))    # Output: 23
print(kth_element([16, 21, 25, 36, 4], 4)) # Output: 25
```

#### Constraints
- The input array will have at least `k` elements.
- The input array will contain distinct integers.
def kth_element(arr, k):
    """
    Find the kth smallest element in the array using 1-based indexing.

    Args:
        arr (list): A list of distinct integers.
        k (int): The 1-based index of the element to find.

    Returns:
        int: The kth smallest element in the array.
    """
    # Sort the array in ascending order
    # Return the element at the (k-1)th index
    pass
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