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Write a Python function `get_adjacent_coordinates` that takes a tuple representing a coordinate in a 2D grid and returns a list of all adjacent coordinates, including diagonals. Each coordinate is represented as a tuple of two integers `(x, y)`. Adjacent coordinates are those that differ by at most 1 in either the x or y direction. #### Example Usage ```python [main.nopy] print(get_adjacent_coordinates((3, 4))) # Expected output: [(2, 3), (2, 4), (2, 5), (3, 3), (3, 5), (4, 3), (4, 4), (4, 5)] print(get_adjacent_coordinates((0, 0))) # Expected output: [(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 1), (1, -1), (1, 0), (1, 1)] ``` #### Constraints - The input tuple will always contain exactly two integers. - The output list should not include the input coordinate itself. - The order of the coordinates in the output list does not matter.
def get_adjacent_coordinates(coord):
"""
Given a tuple representing a coordinate in a 2D grid, return a list of all adjacent coordinates.
Args:
coord (tuple): A tuple of two integers representing the coordinate.
Returns:
list: A list of tuples representing adjacent coordinates.
"""
# Placeholder for the solution
pass