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Check Number Greater Than Array

Write a Python function `check_greater(arr, number)` that takes an array of integers `arr` and an integer `number` as input. The function should return `True` if the given number is greater than all elements in the array, and `False` otherwise.

#### Example Usage
```python [main.nopy]
print(check_greater([1, 2, 3, 4, 5], 4))  # Output: False
print(check_greater([2, 3, 4, 5, 6], 8))  # Output: True
print(check_greater([9, 7, 4, 8, 6, 1], 11))  # Output: True
```
def check_greater(arr, number):
    """
    Check if the given number is greater than all elements in the array.

    Args:
        arr (list): A list of integers.
        number (int): An integer to compare against the array elements.

    Returns:
        bool: True if the number is greater than all elements, False otherwise.
    """
    # Handle the case of an empty array
    # Sort the array to find the largest element
    # Compare the number with the largest element
    pass  # Replace this with your implementation