keras/src/layers/merging/concatenate.py/concatenate
def concatenate(inputs, axis=-1, **kwargs):
    """Functional interface to the `Concatenate` layer.

    Args:
        inputs: A list of input tensors.
        axis: Concatenation axis.
        **kwargs: Standard layer keyword arguments.

    Returns:
        A tensor, the concatenation of the inputs alongside axis `axis`.
    """
    return Concatenate(axis=axis, **kwargs)(inputs)