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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def frac2cart_all(frac_coordinates, lattice_array):
 """Convert all fractional coordinates to cartesian."""

    coordinates = deepcopy(frac_coordinates)
    for coord in range(coordinates.shape[0]):
        coordinates[coord] = cartisian_from_fractional(coordinates[coord],
                                                       lattice_array)
    return coordinates