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Write a Python function to calculate the lateral surface area of a cube given its side length. The lateral surface area of a cube is the sum of the areas of its four vertical faces. If the side length of the cube is `l`, the lateral surface area can be calculated as: \[ LSA = 4 \times (l^2) \] #### Example Usage ```python [main.nopy] print(lateral_surface_area(5)) # Output: 100 print(lateral_surface_area(9)) # Output: 324 print(lateral_surface_area(10)) # Output: 400 ```
def lateral_surface_area(l: float) -> float:
"""
Calculate the lateral surface area of a cube given its side length.
Args:
l (float): The side length of the cube.
Returns:
float: The lateral surface area of the cube.
"""
# Replace the following line with the correct implementation
pass